Heating, Cooling & Ventilation

Net Free Ventilating Area : 480 Sq-in
Air Flow Rate : 1000 Cfm
Material : Steel
Installation Type : Roof
Dimensions : 25 In L X 25 In W
Suitable For : Attics Spaces Up To 1600 Sq-ft

Material : Plastic
Color : White
Installation Type : Wall
Length : 10.63 In
Diameter : 5.44 In
Includes : (1) 4 X 11 In Aluminum Pipe

Net Free Ventilating Area : 1.735 Sq-in
Material : Aluminum
Color : Brown
Width : 3-17/32

Net Free Ventilating Area : 60 Sq-in
Material : Aluminum
Color : Brown
Overall Width : 16-5/8 In
Overall Height : 4 In

Net Free Ventilating Area : 1.21 Sq-in
Material : Aluminum
Color : Brown
Width : 2.907

Net Free Ventilating Area : 1.21 Sq-in
Material : Aluminum
Color : White
Width : 2.907

Net Free Ventilating Area : 320 To 668 Sq-in
Material : Aluminum
Finish : Mill
Installation Type : Roof
Suitable For : Sheds, Knee Walls

Net Free Ventilating Area : 1.21 Sq-in
Material : Aluminum
Finish : Mill
Width : 2.907

Net Free Ventilating Area : 263 To 548 Sq-in
Material : Aluminum
Finish : Mill
Installation Type : Roof
Suitable For : Sheds And Knee Walls

Net Free Ventilating Area : 25 Sq-ft
Material : Aluminum
Color : White
Length : 4 In
Width : 16 In

Net Free Ventilating Area : 600 Sq-in
Air Flow Rate : 1250 Cfm
Material : Steel
Color : Black
Installation Type : Roof
Dimensions : 25 In L X 25 In W
Suitable For : Attic Spaces Up To 2200 Sq-ft

Net Free Ventilating Area : 60 Sq-in
Material : Aluminum
Color : Weathered Wood
Installation Type : Roof
Length : 18 In
Width : 20-1/2 In
Height : 5-1/2 In

Net Free Ventilating Area : 26 Sq-ft
Material : Aluminum
Finish : Mill
Length : 4 In
Width : 16 In
Height : 4 In

Net Free Ventilating Area : 163 To 341 Sq-in
Material : Aluminum
Color : White
Installation Type : Roof
Suitable For : Sheds, Knee Walls

Material : Polystyrene
Length : 48 In
Width : 22 In
Suitable For : High-Volume New Construction Or Lower Cost Re-Insulation

Net Free Ventilating Area : 144 Sq-in
Material : Aluminum
Color : Black
Overall Width : 20 In
Overall Height : 7-3/4 In

Air Flow Rate : 110 Mph
Roof Pitch : 12/12
Base Size : 20 X 20 In
Material : Aluminum
Color : Black
Overall Height : 17-1/4 In
Throat Diameter : 12 In

Net Free Ventilating Area : 74 Sq-in
Rough Opening Size : 22 In L X 16-1/2 In W
Material : Polypropylene
Color : White
Length : 27-1/2 In
Width : 21-1/2 In
Suitable For : Molded-In Screen

Net Free Ventilating Area : 112 Sq-in
Rough Opening Size : 18-1/2 In L X 12.813 In W
Material : Polypropylene
Color : White
Length : 20-1/2 In
Width : 14.813 In
Suitable For : Molded-In Screen

Net Free Ventilating Area : 61 Sq-in
Material : Polypropylene
Color : Weathered Wood
Overall Width : 17-1/4 In
Overall Height : 4.141 In

Net Free Ventilating Area : 50 Sq-in
Material : Polypropylene
Color : Gray
Overall Width : 18-23/64 In
Overall Height : 4.64 In

Net Free Ventilating Area : 9 In/linear Ft
Material : Aluminum
Color : Brown
Length : 8 Ft

Net Free Ventilating Area : 117 Sq-in
Rough Opening Size : 5 In
Material : Polypropylene
Color : Brown
Overall Length : 10.94 In
Overall Width : 12.98 In
Overall Height : 6-1/2 In

Net Free Ventilating Area : 55 Sq-in
Material : Polypropylene
Color : White
Suitable For : Molded-In Screen