John Guest PI1908S Plastic Collet Cover Grey (Pack Of 10) John Guest is a British manufacturer of push-in fittings, pipe and plastic plumbing systems. Its industries and applications include drink dispensing, plumbing, pneumatics, compressed air Systems, water purification, drinks vending, automotive and telecommunications. John Guest PI1908S 1/4" OD Tube Plastic Collet Cover Grey (Pack Of 10) The John Guest PI198S is a grey collet cover designed for use with 1/4" O/D (outer diameter) tube fittings. The collet cover is an accessory that is used to protect the collet and O-ring of a tube fitting from dirt, dust, and other contaminants. The cover also provides a finished appearance to the fitting assembly. Features and benefits:• Protects from accidental removing or tampering of tubing• Colour coding• Easily removed if requiredMedia: Compressed Air. Suitable for Vacuum. Drink dispensers and pure water fittings. Technical InformationOD: 1/4”Material: PlasticMaximum Working Bar Pressure: 16Working Temperature: 0°C to +23°C Please note the goods supplied may not be exact to the image shown.