[mike1986]

To replace the Tee connection that comes as standard on gardiners brushes?

[mike1986]

http://gardinerpolesystems.co.uk/john-guest-8mm-equal-tee.html

[simonr]

its this one
http://gardinerpolesystems.co.uk/all-products/pump-hose/hose-fittings-adapters/john-guest-fittings/metric-fittings/push-fit-t-connector-for-quick-loq-system.html

[Alex Gardiner]

simonr is correct 

http://gardinerpolesystems.co.uk/all-products/pump-hose/hose-fittings-adapters/john-guest-fittings/metric-fittings/push-fit-t-connector-for-quick-loq-system.html

[mike1986]

Thanks both