Impact resistant, fiberglass reinforced nylon cylinders eliminates expansion and resists ultra-violet rays. Two expanding type seals, plus O-ring, eliminates high and low pressure leaks. Barbed cylinder fitting and an inserted tubular rod prevents hose blow-off and breakage.  A stainless steel spring retracts the cylinder when the boat is not in motion.

WARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.