4" GALVANIZED ROOF VENT XTRA-TALL WITH COLLAR AND DAMPER

Birdscreen Standard On All Roof Vents.
26 Gauge Galvanized Steel Or 0.018" Aluminum Sheet Provide
Excellent Corrosion Resistance And Longevity.
Sealed Seams Keep Out The Elements.
Flanged Base Provides For Good Vent-to-roof Contact And An Easy Caulking Surface.