The Quick Coupling Valve Allows A Convenient Source Of Water Without An Unsightly Hose Bib. Lets Water Through Only On Inserting A Valve Key. Usually Placed Under A Valve Box And Used For Watering Points Or For Connecting Temporary Irrigation Sprinklers To The Irrigation System. Recommended Use In Gardens And Parks. * Key Code 666 V Key. * Lid Code 666 V Deksel. * Lip Seal Code 666 V Lipseal. * O Ring At Code 666 V Ring.