White, RV All Plumbing Vent Cap, Separate Cap Fits Up To A 2" Pipe, Spring Tension Attachment, Which Eliminates The Need To Replace The Entire Vent Just Because Of A Lost Cap Top, Made From Durable Polyethylene & Finished Off With Chimasorb For UV Protection, 2 Piece Model Fits 1-1/4" & 1-1/2" Pipes, Snap On Cap Fastens With New Screw In Design.