City Water Fill w/Brass Check Valve, Polar White locks & latches For properly testing your plumbing

For properly testing your plumbing system

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

Four chamber design for smooth flow at all demand levels

Recommended working pressure is 5

Butyl Rubber Sealant

City Water Fill w/Brass Check Valve, Polar White locks & latches For properly testing your plumbingCity 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.,