White, RV all plumbing vent cap. Separate cap fits up to a 2" pipe. Spring tension attachment eliminates the need to replace the entire vent due to a lost cap top. Made from durable polyethylene and finished with Chimasorb for UV protection. Two-piece model fits 1-1/4" and 1-1/2" pipes. Snap-on cap fastens with a new screw-in design.