John Guest Speedfit Push Fit 12mm Water Hose Plug

Amazon

Designed to securely seal the end of 12mm Speedfit water hose or pipe connections in push fit systems Simple push fit design enables fast installation and removal without tools or clamps Manufactured from durable acetal material with a reliable O ring seal to prevent leaks Suitable for hot and cold water, air and inert gas applications in domestic and light commercial systems, Manufacturer: John Guest

ManoMano

Plugs an unused port on a John Guest push-fit fitting John Guest push-fit acetal plug is for plugging unused connection ports on a John Guest fitting. All John Guest fittings are manufactured and assembled in the UK.