Most Popular Filter Cartridges

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 and a 2-1/8 hole on the bottom that fits over a nipple...

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 measures 2 3/8" to the outside of the threads...

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 measures 2 3/8" to the outside of the threads.  In...

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 filter has a threaded nipple that would measure about 2 3/8" Across the threads. The threaded adapter...

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 filter is 8" long x 7 " Wide. This filter has a threaded nipple that would measure about 2 3/8"...

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 stalk and a threaded cap. You can find these different...

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 edge on the threads.. This filters works with some but...

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 silly like Charles and think this is a filter and...

This filter is 13 1/2" X 4 15/16" and has a female SAE Large Thick Thread that is 2" which would really measure about 2 1/4-2 3/8" ID. This filter is found in Dynasty Bahama Tubs and others. If you have the shorter version of this filter which is 9 1/4"...

This filter Fits Some AquaTerra & Freeflow Spas, it is a 40 Square Foot Filter Cartridge that is 5-3/8" Outside Diameter x 9-1/2" in Length and features a 1 1/2" MTP Fine Threaded Male Fitting which measures about 1-3/4" Edge to Edge....

This Catalina 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 of the threads. SAE Threads are really thick...