The Claber 91155 is a 1/4" 2-way coupling. It is made of POM (polyoxymethylene) and is designed to be used with drip irrigation systems. It allows you to create two sections of 1/4" (4-6 mm) feeding hose. The coupling has an easy grip and watertight seal, guaranteeing no leakage. It comes in a blister pack of 10 pieces.