4 In. Dia. Aluminum Keepa Roof Jack in White

Description

Net free air space of 12 sq. in. is ideal for bathrooms
Engineered to prevent rain or snow from entering the house
Tail pipe can fit existing ductwork without modification
AVP's Keepa Roof Jack is to be used in conjunction with bathroom fans or where ever exhaust vent protection is needed for a ducted system. The Keepa Roof Jack is an excellent choice for venting out air from a ducted system is because of the aerodynamic shape and louvered design. It allows for maximum air to flow while alleviating back pressure.Engineered to keep out insects or vermin from entering the duct, the Keepa Vent is also engineered to stop rain or snow from entering in all US climate zones. The Keepa's standard 11 in. collar height is great for low slope membrane roofs that need ducted exhaust ventilation.
Tail pipe fits existing ductwork; 2 in. clearance between bottom of vent cap and flange
Mill finish aluminum will continually have a long lasting clean appearance
Net free air space, 12 sq. in. (0.09 sq. ft.)
Pitch capacity: 0/12 to 2/12
1/8th in. opening between the louver blades and all aluminum (non-combustible) material meets the requirements of California building code 706A.2 vents to resist the intrusion of burning embers and flame through ventilation openings