Most Popular Filter Cartridges

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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...

This parts is an Artesian, Resort Series, Filter, Cartridge, 50sqft, 2" male pipe thread, 6-3/4" Wide, 8" Tall.. Note The small filter found in the center

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...

This filter Fits some Dimension One and At Home Hot Tubs after 2000.. It is 10 1/2" Ta x 7 1/8" Wide has a closed top with castle tabs and features a butterfly type twist lock bottom where you slide...

This filter fits Jacuzzi Premium Hot Tubs J-300, J-400 Series. It is 15 1/2" Tall and 6 5/8" Around and Features a 2" SAE which is a Thick Thread and measures a hair less than 2" Inside diameter 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 nmeassure about 2 1/4-2 3/8" ID. This filter is found in Four Winds Tubs, Barefoot and others...

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...

This filter is found only in Sundance Hot Tubs that is 19" long x 8 1/2" Wide and it has a hole in one end that is 2 1/2" that slips over a fitting with a nut ti tighten it into place and a nipple on...

This filter is 9 3/4" Tall x 4 5/8" Wide and is closed on the top and has a 1 1/2" mpt thin threaded nipple that measures about 1 13/16" across the threads. This filter fits some of the Jacuzzi...