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; .