Sierra 16-402-4003 Black Vinyl Vent Blower Hose 4 x 10 Features Resistant to the ozone and UV Primary use is for venting bilge fumes Supported by anodized wire helix Shields Vinylvent Ducting Hose Specifications O.D. 4 18 or 104.8mm I.D. 4 or 101.6mm Length 10 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Ventilation Product MPN 16-402-4003-1 Product UPC 808282304393 Fast Ship In Stock Ships Today