Release-ring colour for inch size is white.

Variants
• CPP20-8CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 8mm Light Grey
• CPP20-8CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 8mm Black
• CPP20-6CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 6mm Light Grey
• CPP20-6CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 6mm Black
• CPP20-5/16CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 5/16" Black
• CPP20-5/16CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 5/16" Light Grey
• CPP20-3/8CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 3/8" Light Grey
• CPP20-3/8CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 3/8" Black
• CPP20-12CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 12mm Light Grey
• CPP20-12CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 12mm Black
• CPP20-10CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 10mm Light Grey
• CPP20-10CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 10mm Black
• CPP20-1/4CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 1/4" Light Grey
• CPP20-1/4CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 1/4" Black
• CPP20-1/2CW – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 1/2" Light Grey
• CPP20-1/2CB – Pisco Light Coupling 20 Series Straight Tube Plug with Check Valve 1/2" Black