Features Shields bilgeflex hose is a single layer corrugated polyethylene hose; It is resistant to mild chemicals and salt water and there is a clamping cuff every foot; This hose is primarily used for bilge pump discharge; Do not attach to thru hull fitting below the water line; Specifications Size: 3/4″ x 50′; Dimension: 6.75″ H x 18.25″ W x 18.75″ L; Weight: 3 lbs; .