Easy to connect: you can assemble these washers and quick connector plug nipples easily, these washer adapter sets make a quick connection for hose, water pump, ball valve, telescoping wand, surface cleaner and so NPT-compliant: these washer kit are NPT-compliant, please check the specifications before connect them, you can connect to NPT-compliant connectors Size: stainless steel quick connector fittings and washers coupler nipples are 3/8 inch, pay attention to connect to the 3/8 inch size connector before connecting Fine workmanship: these quick connector washer fittings are made with accurate process, and don't leak and fade easily resistance: these quick connector kit and stainless steel connect nipples withstands is up to 5000-6000 PSI #poolparty #poolcleaning #poolfilter #sandfilter #poolday - @tana_33bb