Joins High Flow Blue 12mm Hose to 8mm Yellow Standard Size Hose.
Note: To join, simply push hose into the fitting. The teeth on the inside of the collar will grip the hose and make it water-tight. To release, press down on the collar with thumb and forefinger and gently pull hose out with opposite hand.
* Pulling the hose out without pressing down on the collar will damage the fitting*