The flopro 43 water stop hose connector has an internal valve that stops the water flow when an accessory like a spray gun is disconnected this saves having to return to the tap to turn the water off when switching between accessories it also eliminates water wastage the extended clench mechanism ensures a permanent hose connection and it has a snap fit stainless steel internal spring mechanism for increased durability ultra tough and made using superior abs plastics the connectors allow a sn