City Water Fill w/Brass Check Valve, Polar White locks & latches Integral 3-way switch activates by

Integral 3-way switch activates by pressing the center of the lens

Recommended working pressure is 5

For properly testing your plumbing system

Simply pour Liquid MareLube™ into the system through the valve tailpipe or hose

unless hitch weight or tow vehicle loading are changed

City Water Fill w/Brass Check Valve, Polar White locks & latches Integral 3-way switch activates byCity Water Fill w Brass Check Valve, Polar White GUARANTEED NOT TO YELLOW OR FADE! Made of high quality plastic. Factory tested for ZERO leakage. Don't buy cheap imported items that break and leak. Made in the USA! Direct OEM Replacement Factory tested for ZERO leakage Made In The USA Guaranteed not to Yellow, UV stable colorfast Lead Free Brass Check Valve w 1 2" Male Pipe Thread Includes screws Impact & Road Salt Resistant Cut Out Dim: 1 1 2" dia.,