Drip Tape Valve x Layflat connectorDurable, reusable, and easy to see colors. The valve provides on/off control of individual runs of drip tape from a layflat main or sub-main hose. Use the 14mm Layflat Cutter for Teardrop Fittings for the perfect sized hole and the 12mm Tee Handle Hex Installation Tool to aid with installation.Required Installation Tools: 14mm Layflat Cutter for Teardrop Fittings - item #1791; 12mm Tee Handle Hex Installation Tool* - item #7913; *Please Note: The hex tool will not pass through the valve body of the connector. The valve body must first be removed (unscrewed by hand) in order to use the Tee Handle Hex Installation Tool.