This handy venting cap is designed for use with marine craft covers. It introduces air to prevent mold and mildew growth under the cover. Made of UV-stabilized polyurethane, it will not degrade, rip, crack, or split. The convenient, flexible flange sews directly into the fabric and minimizes tearing.
This sewable boat vent cap fits 3/4” and 7/8” poles. It provides the right amount of support and flex for easy handling and lasting performance.