Ideal for bilge pump discharge hose, this hose also works for potable water tank fill and drain hose for sinks, showers, scuppers, and livewells. Clear FDA formula PVC w/vinyl helix. Flexible and abrasion resistant. Resistant to mild chemicals and salt water. Do not use glycol based antifreeze in hose. Do not attach to thru-hull fittings below the water line. For 1-1/2" couplings, use 147-1120 right hand thread cuffs.