Duravent 4PVL-FR Pellet Vent Adjustable Roof Flashing, 4" Bolt Great for cooling your outdoor

Great for cooling your outdoor living areas by as much as 20 degrees

50" Unit Weight 3

316 Stainless Steel

Size: 5-lb

Duravent 4PVL-FR Pellet Vent Adjustable Roof Flashing, 4" Bolt Great for cooling your outdoorHighlights: Inside Diameter: 4" Use to weather proof the penetration of vent pipe through the roof Storm collar required Cannot be interchanged with other manufacturer systems Double wall pipe air insulated design 0. 012" 430 stainless steel inner wall 0. 018" galvanized steel outer wall For use at elevation 4000' above sea level Warning: This product can expose you to chemicals including Chromium (hexavalent compounds) which are known to the State of