Aquatic Life BUDDIE FIT 1/4" x MPT 1/8" Elbow Check Valve with 1 Blue Clip (2 Pack). Aquarium and Indoor Gardening/Hydroponic Speed-Fit Fittings, Connectors, Tees, Valves and Tubing. Compare to John Guest JG Speedfit, Jaco and SeaTech connectors. Easily plumb and customize your RO/DI System with Buddie Fit connectors, valves and more. Once tubing is inserted into the connector, use the included blue collars to lock the connector so tubing cannot be removed. Available fittings include standard garden hose thread adapter, check valves, on/off valves, bulkheads and more. Item 500253.