When you see this: click for more information

Designed to push and lock on to nipple or bend.

Doing the job its name suggests.

This unit was designed with the same function as the metal caps which are widely used on oil tank fill pipes, but manufactured from plastic making them more economical than metal caps.

The cap is supplied with a chain and fixing clip.

A robust purpose made unit for fitting to a tank socket.

It features a non- removable valve to facilitate draining sludge without the danger of losing the core.