Air Bleed Valve & O-Ring for Davey Easy Clear / CF / EcoPure / Clearflow / Spa Quip Series 1000 / 2000 / Compact Cartridge Filters

Air Bleed Valve (coarse and fine thread) & O-Ring set for:

Q2333 (large knob, black or yellow) - fine thread - for Davey Easy Clear / CF cartridge filters.
S2233 (small knob, blue or black) - coarse thread for Davey EcoPure / Spa-Quip Series 1000 / 2000 / Compact cartridge filters.

Also suits others such as Poolrite Enduro.

These two bleed valves were often mistaken for eachother and so are now sold together as a pack.