Sierra 16-120-0341B 34 Bilgeflex Pump Hose - 6 Black The Sierra 16-120-0341B Bilgeflex Pump Hose is constructed of a single layer of corrugated polyethylene hose. It is resistant to salt water and mild chemicals with a clamping cuff every foot. Pirmarily for use in bilge pump discharge. Do NOT attach to thru hull fitting below the water line. Product Specifications VAC Rating 20 Length 6 1.8M IDBend Radius 34 19.1mm California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov