The 3/8" Slip Lok End Plug provides a quick and reliable way to securely seal the end of irrigation tubing or piping. Ideal for both new installations and repairs, Slip Lok Fittings helps reduce installation time and simplify system modifications. The FOGCO proprietary line of industrial Slip Lok Fittings are rated at 1500 PSI and have been used successfully in industrial applications for over 20 years. These Slip Lok Fittings are the highest quality in the industry and carry a full 5 year warranty.