Most Popular Filter Cartridges

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

This parts is an Artesian, Resort Series, Filter, Cartridge,  6 sqft, 1-7/8" Hole, 2" male pipe thread , 6" Wide, 7" Tall.. This filter is found in the center of the filter housing usually between two larger filters and has a Gray top on it...

This Filter is a 40 Square Foot Filter Cartridge for a Dynasty Hot Tub 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...

This part is No Longer Avaliable but we do have some of these: Non Microban PMA16SK Filter This Item is a Microban Filter for Somerset Teleweir Eco Pur System and others.. It is 5" Wide X 6 5/8" Tall and has a 1 1/2" SAE Female Threaded fitting that...

This Filter Cleaning Tool is used along with a standard Garden hose to clean your filter pleats.. You simply attach it to a water hose and remove the filter from the tub and wash the filter please from top to bottom in a vertical motion to remove build...

This Filter is 14-7/8" tall x 5" wide it has 2 1/8" holes on the top and bottom. This filter does fit some Cal Spas but looks very similar to a standard sized filter which is 13 5/16" tall but this filter is slightly taller at 14 7/8"...

This part is a Filter Cartridge,  7 1/4"Tall x 7" Across 4" Hole for a Master Spa Down East 2002-2003. This filter is 7 1/4" long x 7" Wide and it has a hole in each end that is 4". The overall length of this housing is about 7". The top and bottom...

This part is a Cartridge Filter 8" x 7" Wide 2" male pipe thread  32sqft found in some Master Spa or Down East Hot Tubs. This filter is 8" long x 7 " Wide. This filter has a threaded nipple that would measure about 2...

This part is a Filter Cartridge,  7 3/8" Long x 8" Across 4" Hole Master Spa & Down East 2004+. This filter is 7 3/8" long x 8" Wide and it has a top hole that is 4". The overall length of this housing is about 7 3/8". The top hole size is about...

This filter cartridge is 9" Tall x 6' Wide and features a 1 1/2" MPT screw in nipple which measures about 1 13/16" to the outside of the threads. This filter is found in LA and Advanced spas and more...

You are buying an anti-microbial replacement filter for Eco-Pur applications in 2002+ Master Spas and Down East Spas. This filter is found on the inside of a larger filter and usues the stalk system with a center stalk and a threaded cap. You can find...

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... Dynasty Spas, Garden Leisure, Leisure Bay, Recreation Warehouse, Rainbow,Pentair,...