Diameter: 125 mm
Length: 203 mm
Top: closed
Bottom: 1½" MPT fine thread (46 mm outside diameter)

This filter is known to fit some / all spa models from the following manufacturers.
Always compare the dimensions of your filter against the dimensions listed.
O2
Vortex 

* Please note - We use a range of the best quality filter manufacturers , please note this means not all filters will look as photographed.