Meets ABYC Standard for non-abrasive and vaportight (non pressurized) seal of continuous length of LPG supply line passing ?Straight-Thru? watertight bulkheads and decks from inside cylinder locker to each appliance. Resists salt water, fuels, weak acids and common solvents. Fits Up to 1/2" decks/bulkheads 14388439: Slides over and seals our LPG hose assemblies (except 40407 & 42421
14388876: Fits over and seals around 1/4" - 3/8" LPG copper tubing