It is generally best not to add caps to your plumbing vents. Adding these can mess with the natural way these vents are meant to work in your home, causing issues with the amount of water or the pressure in the system.

Master Flow vent caps are used to cap pipes extending through the roof. They provide maximum rain, snow and debris protection. An assortment of sizes are available.

6 Inch Roof Vent Cap, Roof Vents for Houses, Carbon Steel Roof Exhaust Vent with Damper, Diameter Collar Removable Vent for Attic for Ventilation System

RV Plumbing Vent Caps - Camper Vent Cap Replacement for RV Trailer Camper Motorhome, RV Roof Sewer Vent Cover Caps Kit for 1 to 2 3/8 Inch Pipe - White (2 Pack)

Choose from our selection of roof vent caps, including duct and fittings, gas and chimney vents, and more. Same and Next Day Delivery.

Get free shipping on qualified Roof Cap Roof Vents products or Buy Online Pick Up in Store today in the Building Materials Department.

The Oatey Mushroom Vent Cap is constructed of high-impact PVC and fits on top of 3-in or 4-in pipe vent stacks. It prevents debris, water, and various critters from entering the vent pipe, while still allowing the proper air flow through your DWV system.

Master Flow vent caps are used to cap pipes extending through the roof. They provide maximum rain, snow and debris protection. An assortment of sizes are available.

Oatey® Mushroom Vent Cap fits either 3" or 4" vent stacks. The vent cap is fully assembled with the included 3 hex-head bolts. Compare - We've selected these items to compare. Let us help you decide which product fits your needs best!