Rain Bird EZFITC/2PS Drip Irrigation Easy Fit Universal 1/2" Coupling, Fits All 1/2" and 5/8" Tubing, 2-Pack Universal coupler quickly connects two lengths of 1/2" Drip tubing in a straight line Compatible with all 1/2" Drip irrigation tubing measuring from .580" to .700" outside diameter Quick Easy Fit push-together assembly speeds installation Requires 50% less force than competitors compression fittings Constructed of highly durable UV and chemical-resistant materials to assure long life Recommended operating pressure: 0 to 60 PSI