Quick Connect Hozelock AquaStop Fitting for 12.5mm & 15mm hose, this fitting is best used at the gun end of a hosepipe. Features and Benefits • Twin soft-touch pads make this connector easy to use, even when wet • The flexible hose-tail reduces stress at the connection point to help reduce hose kinking, swelling and leaking • An internal valve stops the water flow when an accessory is disconnected