,Web Product Catalog 01##OTHER##,Roof Opening Width##LENGTH##INCHES,Roof Opening Height##LENGTH##INCHES,Revit Loading Instructions##OTHER##,Curb Height##LENGTH##INCHES,Housing Length Offset##LENGTH##INCHES,Curb Thickness##LENGTH##INCHES,Weatherhood Length Offset##LENGTH##INCHES,Windband Tapered Hood Depth##LENGTH##INCHES,Windband Tapered##OTHER##,Windband Square##OTHER##,Windband Height##LENGTH##INCHES,Windband Elevation##LENGTH##INCHES,Windband Diameter##LENGTH##INCHES,Weatherhood Width##LENGTH##INCHES,Weatherhood Offset NZ##LENGTH##INCHES,Weatherhood Louvered##OTHER##,Weatherhood Length##LENGTH##INCHES,Weatherhood Height##LENGTH##INCHES,Weatherhood Elevation##LENGTH##INCHES,Unit Elevation##LENGTH##INCHES,URL##OTHER##,Service Clearance On##OTHER##,Model##OTHER##,Last Updated##OTHER##,Default Clearance Radius##LENGTH##INCHES,Curb Overall Height##LENGTH##INCHES,Curb##OTHER##,Connection Width##LENGTH##INCHES,Connection Height##LENGTH##INCHES,Manufacturer##OTHER##,Louver Quantity##OTHER##,Housing Radius Cut##LENGTH##INCHES,CurbCap##OTHER##,Housing Width##LENGTH##INCHES,Housing Rectangular##OTHER##,Housing Length##LENGTH##INCHES,Housing Height##LENGTH##INCHES,CurbCap Width##LENGTH##INCHES,CurbCap Length##LENGTH##INCHES,CurbCap Height##LENGTH##INCHES,Curb Width##LENGTH##INCHES,Curb Length##LENGTH##INCHES
WIH 12x12,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,12,12,https://www.youtube.com/watch?v=t45CBEivkJA,12,10,0.99996,13,1,0,0,6,9,12,26,13,1,26,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,12,12,Greenheck,3,3,1,20,1,20,12.25,20,20,2.5,18.5,18.5
WIH 12x18,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,18,12,https://www.youtube.com/watch?v=t45CBEivkJA,12,13,0.99996,16,1,0,0,6,9,12,26,16,1,32,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,18,12,Greenheck,3,3,1,20,1,26,12.25,20,26,2.5,18.5,24.5
WIH 12x24,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,24,12,https://www.youtube.com/watch?v=t45CBEivkJA,12,16,0.99996,19,1,0,0,6,9,12,26,19,1,38,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,24,12,Greenheck,3,3,1,20,1,32,12.25,20,32,2.5,18.5,30.5
WIH 14x14,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,14,14,https://www.youtube.com/watch?v=t45CBEivkJA,12,11,0.99996,14,1,0,0,6,9,12,28,14,1,28,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,14,14,Greenheck,3,3,1,22,1,22,12.25,22,22,2.5,20.5,20.5
WIH 14x18,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,18,14,https://www.youtube.com/watch?v=t45CBEivkJA,12,13,0.99996,16,1,0,0,6,9,12,28,16,1,32,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,18,14,Greenheck,3,3,1,22,1,26,12.25,22,26,2.5,20.5,24.5
WIH 14x24,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,24,14,https://www.youtube.com/watch?v=t45CBEivkJA,12,16,0.99996,19,1,0,0,6,9,12,28,19,1,38,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,24,14,Greenheck,3,3,1,22,1,32,12.25,22,32,2.5,20.5,30.5
WIH 14x28,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,28,14,https://www.youtube.com/watch?v=t45CBEivkJA,12,18,0.99996,21,1,0,0,6,9,12,28,21,1,42,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,28,14,Greenheck,3,3,1,22,1,36,12.25,22,36,2.5,20.5,34.5
WIH 16x16,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,16,16,https://www.youtube.com/watch?v=t45CBEivkJA,12,12,0.99996,15,1,0,0,6,9,12,30,15,1,30,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,16,16,Greenheck,3,3,1,24,1,24,12.25,24,24,2.5,22.5,22.5
WIH 16x24,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,24,16,https://www.youtube.com/watch?v=t45CBEivkJA,12,16,0.99996,19,1,0,0,6,9,12,30,19,1,38,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,24,16,Greenheck,3,3,1,24,1,32,12.25,24,32,2.5,22.5,30.5
WIH 16x30,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,30,16,https://www.youtube.com/watch?v=t45CBEivkJA,12,19,0.99996,22,1,0,0,6,9,12,30,22,1,44,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,30,16,Greenheck,3,3,1,24,1,38,12.25,24,38,2.5,22.5,36.5
WIH 16x32,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,32,16,https://www.youtube.com/watch?v=t45CBEivkJA,12,20,0.99996,23,1,0,0,6,9,12,30,23,1,46,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,32,16,Greenheck,3,3,1,24,1,40,12.25,24,40,2.5,22.5,38.5
WIH 18x18,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,18,18,https://www.youtube.com/watch?v=t45CBEivkJA,12,13,0.99996,16,1,0,0,6,9,12,32,16,1,32,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,18,18,Greenheck,3,3,1,26,1,26,12.25,26,26,2.5,24.5,24.5
WIH 18x24,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,24,18,https://www.youtube.com/watch?v=t45CBEivkJA,12,16,0.99996,19,1,0,0,6,9,12,32,19,1,38,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,24,18,Greenheck,3,3,1,26,1,32,12.25,26,32,2.5,24.5,30.5
WIH 18x30,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,30,18,https://www.youtube.com/watch?v=t45CBEivkJA,12,19,0.99996,22,1,0,0,6,9,12,32,22,1,44,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,30,18,Greenheck,3,3,1,26,1,38,12.25,26,38,2.5,24.5,36.5
WIH 18x36,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,36,18,https://www.youtube.com/watch?v=t45CBEivkJA,12,22,0.99996,25,1,0,0,6,9,12,32,25,1,50,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,36,18,Greenheck,3,3,1,26,1,44,12.25,26,44,2.5,24.5,42.5
WIH 22x22,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,22,22,https://www.youtube.com/watch?v=t45CBEivkJA,12,15,0.99996,18,1,0,0,6,9,12,36,18,1,36,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,22,22,Greenheck,3,3,1,30,1,30,12.25,30,30,2.5,28.5,28.5
WIH 22x30,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,30,22,https://www.youtube.com/watch?v=t45CBEivkJA,12,19,0.99996,22,1,0,0,6,9,12,36,22,1,44,16,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,30,22,Greenheck,4,3,1,30,1,38,16,30,38,2.5,28.5,36.5
WIH 22x36,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,36,22,https://www.youtube.com/watch?v=t45CBEivkJA,12,22,0.99996,25,1,0,0,6,9,12,36,25,1,50,16,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,36,22,Greenheck,4,3,1,30,1,44,16,30,44,2.5,28.5,42.5
WIH 22x44,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,44,22,https://www.youtube.com/watch?v=t45CBEivkJA,12,26,0.99996,29,1,0,0,6,9,12,36,29,1,58,16,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,44,22,Greenheck,4,3,1,30,1,52,16,30,52,2.5,28.5,50.5
WIH 24x24,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,24,24,https://www.youtube.com/watch?v=t45CBEivkJA,12,16,0.99996,19,1,0,0,6,9,12,38,19,1,38,12.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,24,24,Greenheck,3,3,1,32,1,32,12.25,32,32,2.5,30.5,30.5
WIH 24x30,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,30,24,https://www.youtube.com/watch?v=t45CBEivkJA,12,19,0.99996,22,1,0,0,6,9,12,38,22,1,44,16,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,30,24,Greenheck,4,3,1,32,1,38,16,32,38,2.5,30.5,36.5
WIH 24x36,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,36,24,https://www.youtube.com/watch?v=t45CBEivkJA,12,22,0.99996,25,1,0,0,6,9,12,38,25,1,50,16,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,36,24,Greenheck,4,3,1,32,1,44,16,32,44,2.5,30.5,42.5
WIH 24x48,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,48,24,https://www.youtube.com/watch?v=t45CBEivkJA,12,28,0.99996,31,1,0,0,6,9,12,38,31,1,62,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,48,24,Greenheck,5,3,1,32,1,56,19.75,32,56,2.5,30.5,54.5
WIH 28x28,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,28,28,https://www.youtube.com/watch?v=t45CBEivkJA,12,18,0.99996,21,1,0,0,6,9,12,42,21,1,42,16,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,24,12,1,28,28,Greenheck,4,3,1,36,1,36,16,36,36,2.5,34.5,34.5
WIH 28x36,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,36,28,https://www.youtube.com/watch?v=t45CBEivkJA,12,22,0.99996,25,1,0,0,6,9,12,42,25,1,50,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,36,28,Greenheck,5,3,1,36,1,44,19.75,36,44,2.5,34.5,42.5
WIH 28x40,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,40,28,https://www.youtube.com/watch?v=t45CBEivkJA,12,24,0.99996,27,1,0,0,6,9,12,42,27,1,54,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,40,28,Greenheck,5,3,1,36,1,48,19.75,36,48,2.5,34.5,46.5
WIH 28x48,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,48,28,https://www.youtube.com/watch?v=t45CBEivkJA,12,28,0.99996,31,1,0,0,6,9,12,42,31,1,62,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,48,28,Greenheck,5,3,1,36,1,56,19.75,36,56,2.5,34.5,54.5
WIH 28x56,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,56,28,https://www.youtube.com/watch?v=t45CBEivkJA,12,32,0.99996,35,1,0,0,6,9,12,42,35,1,70,23.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,56,28,Greenheck,6,3,1,36,1,64,23.5,36,64,2.5,34.5,62.5
WIH 32x32,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,32,32,https://www.youtube.com/watch?v=t45CBEivkJA,12,20,0.99996,23,1,0,0,6,9,12,46,23,1,46,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,32,32,Greenheck,5,3,1,40,1,40,19.75,40,40,2.5,38.5,38.5
WIH 32x36,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,36,32,https://www.youtube.com/watch?v=t45CBEivkJA,12,22,0.99996,25,1,0,0,6,9,12,46,25,1,50,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,36,32,Greenheck,5,3,1,40,1,44,19.75,40,44,2.5,38.5,42.5
WIH 32x48,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,48,32,https://www.youtube.com/watch?v=t45CBEivkJA,12,28,0.99996,31,1,0,0,6,9,12,46,31,1,62,23.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,48,32,Greenheck,6,3,1,40,1,56,23.5,40,56,2.5,38.5,54.5
WIH 32x54,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,54,32,https://www.youtube.com/watch?v=t45CBEivkJA,12,31,0.99996,34,1,0,0,6,9,12,46,34,1,68,23.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,54,32,Greenheck,6,3,1,40,1,62,23.5,40,62,2.5,38.5,60.5
WIH 32x64,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,64,32,https://www.youtube.com/watch?v=t45CBEivkJA,12,36,0.99996,39,1,0,0,6,9,12,46,39,1,78,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,64,32,Greenheck,7,3,1,40,1,72,27.25,40,72,2.5,38.5,70.5
WIH 36x36,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,36,36,https://www.youtube.com/watch?v=t45CBEivkJA,12,22,0.99996,25,1,0,0,6,9,12,50,25,1,50,19.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,36,36,Greenheck,5,3,1,44,1,44,19.75,44,44,2.5,42.5,42.5
WIH 36x48,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,48,36,https://www.youtube.com/watch?v=t45CBEivkJA,12,28,0.99996,31,1,0,0,6,9,12,50,31,1,62,23.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,48,36,Greenheck,6,3,1,44,1,56,23.5,44,56,2.5,42.5,54.5
WIH 36x60,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,60,36,https://www.youtube.com/watch?v=t45CBEivkJA,12,34,0.99996,37,1,0,0,6,9,12,50,37,1,74,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,60,36,Greenheck,7,3,1,44,1,68,27.25,44,68,2.5,42.5,66.5
WIH 36x72,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,72,36,https://www.youtube.com/watch?v=t45CBEivkJA,12,40,0.99996,43,1,0,0,6,9,12,50,43,1,86,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,72,36,Greenheck,7,3,1,44,1,80,27.25,44,80,2.5,42.5,78.5
WIH 42x42,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,42,42,https://www.youtube.com/watch?v=t45CBEivkJA,12,25,0.99996,28,1,0,0,6,9,12,56,28,1,56,23.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,42,42,Greenheck,6,3,1,50,1,50,23.5,50,50,2.5,48.5,48.5
WIH 42x48,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,48,42,https://www.youtube.com/watch?v=t45CBEivkJA,12,28,0.99996,31,1,0,0,6,9,12,56,31,1,62,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,48,42,Greenheck,7,3,1,50,1,56,27.25,50,56,2.5,48.5,54.5
WIH 42x54,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,54,42,https://www.youtube.com/watch?v=t45CBEivkJA,12,31,0.99996,34,1,0,0,6,9,12,56,34,1,68,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,54,42,Greenheck,7,3,1,50,1,62,27.25,50,62,2.5,48.5,60.5
WIH 42x60,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,60,42,https://www.youtube.com/watch?v=t45CBEivkJA,12,34,0.99996,37,1,0,0,6,9,12,56,37,1,74,31,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,60,42,Greenheck,8,3,1,50,1,68,31,50,68,2.5,48.5,66.5
WIH 42x72,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,72,42,https://www.youtube.com/watch?v=t45CBEivkJA,12,40,0.99996,43,1,0,0,6,9,12,56,43,1,86,31,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,72,42,Greenheck,8,3,1,50,1,80,31,50,80,2.5,48.5,78.5
WIH 42x84,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,84,42,https://www.youtube.com/watch?v=t45CBEivkJA,12,46,0.99996,49,1,0,0,6,9,12,56,49,1,98,34.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,84,42,Greenheck,9,3,1,50,1,92,34.75,50,92,2.5,48.5,90.5
WIH 48x48,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,48,48,https://www.youtube.com/watch?v=t45CBEivkJA,12,28,0.99996,31,1,0,0,6,9,12,62,31,1,62,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,48,48,Greenheck,7,3,1,56,1,56,27.25,56,56,2.5,54.5,54.5
WIH 48x54,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,54,48,https://www.youtube.com/watch?v=t45CBEivkJA,12,31,0.99996,34,1,0,0,6,9,12,62,34,1,68,27.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,54,48,Greenheck,7,3,1,56,1,62,27.25,56,62,2.5,54.5,60.5
WIH 48x72,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,72,48,https://www.youtube.com/watch?v=t45CBEivkJA,12,40,0.99996,43,1,0,0,6,9,12,62,43,1,86,34.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,72,48,Greenheck,9,3,1,56,1,80,34.75,56,80,2.5,54.5,78.5
WIH 48x96,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,96,48,https://www.youtube.com/watch?v=t45CBEivkJA,12,52,0.99996,55,1,0,0,6,9,12,62,55,1,110,38.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,96,48,Greenheck,10,3,1,56,1,104,38.5,56,104,2.5,54.5,102.5
WIH 54x54,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,54,54,https://www.youtube.com/watch?v=t45CBEivkJA,12,31,0.99996,34,1,0,0,6,9,12,68,34,1,68,31,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,54,54,Greenheck,8,3,1,62,1,62,31,62,62,2.5,60.5,60.5
WIH 54x60,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,60,54,https://www.youtube.com/watch?v=t45CBEivkJA,12,34,0.99996,37,1,0,0,6,9,12,68,37,1,74,31,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,60,54,Greenheck,8,3,1,62,1,68,31,62,68,2.5,60.5,66.5
WIH 54x72,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,72,54,https://www.youtube.com/watch?v=t45CBEivkJA,12,40,0.99996,43,1,0,0,6,9,12,68,43,1,86,34.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,72,54,Greenheck,9,3,1,62,1,80,34.75,62,80,2.5,60.5,78.5
WIH 54x96,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,96,54,https://www.youtube.com/watch?v=t45CBEivkJA,12,52,0.99996,55,1,0,0,6,9,12,68,55,1,110,38.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,96,54,Greenheck,10,3,1,62,1,104,38.5,62,104,2.5,60.5,102.5
WIH 54x108,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,108,54,https://www.youtube.com/watch?v=t45CBEivkJA,12,58,0.99996,61,1,0,0,6,9,12,68,61,1,122,42.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,108,54,Greenheck,11,3,1,62,1,116,42.25,62,116,2.5,60.5,114.5
WIH 60x60,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,60,60,https://www.youtube.com/watch?v=t45CBEivkJA,12,34,0.99996,37,1,0,0,6,9,12,74,37,1,74,34.75,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,60,60,Greenheck,9,3,1,68,1,68,34.75,68,68,2.5,66.5,66.5
WIH 60x72,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,72,60,https://www.youtube.com/watch?v=t45CBEivkJA,12,40,0.99996,43,1,0,0,6,9,12,74,43,1,86,38.5,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,72,60,Greenheck,10,3,1,68,1,80,38.5,68,80,2.5,66.5,78.5
WIH 60x84,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,84,60,https://www.youtube.com/watch?v=t45CBEivkJA,12,46,0.99996,49,1,0,0,6,9,12,74,49,1,98,42.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,84,60,Greenheck,11,3,1,68,1,92,42.25,68,92,2.5,66.5,90.5
WIH 60x96,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,96,60,https://www.youtube.com/watch?v=t45CBEivkJA,12,52,0.99996,55,1,0,0,6,9,12,74,55,1,110,42.25,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,96,60,Greenheck,11,3,1,68,1,104,42.25,68,104,2.5,66.5,102.5
WIH 60x108,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,108,60,https://www.youtube.com/watch?v=t45CBEivkJA,12,58,0.99996,61,1,0,0,6,9,12,74,61,1,122,46,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,108,60,Greenheck,12,3,1,68,1,116,46,68,116,2.5,66.5,114.5
WIH 60x120,https://content.greenheck.com/public/DAMProd/Original/10002/GravityVentilators_catalog.pdf,120,60,https://www.youtube.com/watch?v=t45CBEivkJA,12,64,0.99996,67,1,0,0,6,9,12,74,67,1,134,46,0,12,http://www.greenheck.com/products/air-control/louvers/wih-wrh,1,WIH,2-Oct-20,36,12,1,120,60,Greenheck,12,3,1,68,1,128,46,68,128,2.5,66.5,126.5
