Most Popular Filter Cartridges

Better than OEM! Denser plastics and thicker paper translates to longer filter life. Our filters are guaranteed to allow proper water flow for heating and filtering. Dont be fooled by cheap spa...

This Filter cartridge is 5 5/16" Wide X 10 1/8" Tall.. It has a 2 1/8" hole on the top and bottom... it is 45 Sq Ft and is found in a lot of different brands... # 1764, Leisure Bay or Recreation...

This Filter is a 40 Square Foot Filter Cartridge that is 6" Outside Diameter x 8 1/4" in Length. It has a 1 1/2" SAE Threaded Fitting which is a Thick Thread that measures about 2" outside diameter...

50 Sq Ft filter cartriridge used industry wide but common in Jacuzzi whirlpool models that had a front load skimmer. Can also be found in Clearwater spas various models. This filter has a closed top...

This part is a Filter for Rainbow Pentair Predator-II-Mini (172212x) 25sqft 13-5/16" Tall X 4-15/16" Wide (2) 2 1/8" Holes..

This filter fits some Jacuzzi Premium J-460 and J-465 Filter Cartridge, 4-3/4" Wide X 8" Tall 2" and Features a 2" SAE which is a Thick Thread and measures a hair less than 2" Inside diameter and...

This filter fits some Jacuzzi Premium J-400 Series Hot Tubs. It is 12 1/2" Tall and 4 3/4" Around and Features a 2" SAE which is a Thick Thread and measures a hair less than 2" Inside diameter and...

This part is a Cartridge Filter 5 3/4 to 6" Tall x 8" Wide 2" Male SAE thread  50sqft found in some Bullfrog Hot Tubs.

This part is a Cartridge Filter 8" x 7" Wide 2" male pipe thread  32sqft found in some Artesian, Coleman or Maax Hot Tubs.

This part is a replacement filter for Dual Filter applications in 2002+ Master Spas and Down East Spas. This filter is found on the inside of a larger filter and uses the stalk system with a center...

This Item is an Eco Pur Filter for the Teleweir System on Master Spa Build tubs.. It is 5" Wide X 3 1/2" Tall on the cartridge and has a 1 1/2" SAE Threaded fitting that measure about 1 7/8" Edge to...

This Filter Core and Standpipe with Valve is made specifically for Oval Shaped Filter Cartridge that is 6-1/4" Outside Diameter on the Widest Part of the Oval x 9-3/4" in Length. Please don't be...