O2 Spas

Out Side Diameter is 127. Length is 339. Bottom End Cap is SAE Internal Thread. Top End Cap is Semicircle handle. Replacement for Purezone Polyspun Cartridge Fits Vortex C50, Endless Spas & Passion Swim Spas.

OD is 152mm, Length is 205mm, Top is Handle, Bottom is 46mm Coarse Thread. Fits Signature Spas, and other models including: Designer Spas, Vortex Gemini, Oasis, Orbit, Alpha, Meridian, Fisher 2 , Fisher 3, Fisher 5 & Some Galaxy Spa models

Out Side Diameter is 143. Length is 204. Bottom End Cap is 46mm MPT thread. Top End Cap is Closed. .

Out Side Diameter is 125. Length is 203. Bottom End Cap is 46mm MPT thread. Top End Cap is Closed. These filters Fit O2 Spas, Vortex spas, and Swims Spas (Pre-Aug 2010 to 2016) These Filter will fit the O2 Spa Models: Azure, Aquagym, Aqualap, Cerium, Cobalt, Eon (Post Feb. 2013),Hydrozone, Iridium, Mercury, Nitro, Palladium, Spectrum, Xenon. These filters can replace PureZone 400 Filters

OD is 144mm, Length is 176mm, Top is Closed, Bottom is 46mm Fine Thread, Also Fits: Pre-2010 O2 Spas and some Arcadia Spas.