General description Push-fit couplings are an economical, quick, and easy way to create your own workshop ring main air supply, as well as pipework for water, beverages, and inert gas supplies. These plastic push-fits are a lightweight solution that will not corrode, making them ideal for professional workshops. Technical specifications Size: 8mm x 8mm Quantity: 5 pieces Temperature range: 1°C - 64°C = 230 PSI Temperature range: 65°C + = 150 PSI Standards: ISO 9001:2008, ANSI/NSF - 61 Other information Unique collet design for quick and easy connection and disconnection.