Ideal for electric and manual bilge pumps and livewell aerators. Premium quality heavy-duty polyethylene construction bilge hose with custom molded cuff every foot for easy installation and clamping. Excellent flexibility. Resists heat, cold, sea water, ozone and oily bilge acids.Temperature range is -40F to 160F (-40C to 71C). Note: Do not use on thru-hull fitting below water line.