The Gibraltar 4 in. Plastic Roof Cap Vent is constructed from durable UV resistant plastic. Roof Caps are designed for 4 in. exhaust pipes terminating through the roof. The removable stem is a feature that makes for easy installation. The hooded cap design prevents rain and debris from entering， while an integrated backflow damper keeps the air flowing in the proper direction.
For 4 in. kitchen and bath exhaust terminating through the roof
Removable 1/4 in. bird screen
Dampered for 1-way venting
Easy to install with roofing nails or roofing cement
For 3/12 to 12/12 roof pitches
Can be used as a bathroom vent and dryer exhaust cap
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