Filters & Filter Housings and Related Parts
Shop complete hot tub and spa filter housings in our selection of top-mount, side-mount, and in-line configurations. A quality filter housing is essential for effective water filtration and easy cartridge access. Compatible with standard filter cartridges from Cal Spa, Sundance, Jacuzzi®, and other major brands. We offer competitive international shipping rates to buyers worldwide.
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Sundance Spa Filter Cartridge 19" x 8.5", 125sqft, FC-2780, PSD125-2000, 6540-488, C-8326 Replacement
Horizon Series by Filbur
MSRP: $144.34$112.99Replacement filter cartridge designed specifically for Sundance spa systems, measuring 19 inches in length by 8.5 inches in diameter. This 125 square foot filtration cartridge features a 2.5-inch open hole at the top end and a 2-inch male slip nipple at...MSRP: $144.34$112.99 -
Waterway Top-Load Pressure Filter Air Bleed Plug 3/8"mpt with O-Ring
HTPOFAmerica
MSRP: $8.40$7.98This genuine air bleed plug is engineered specifically for Waterway top-load style pressure filter canister lids. The plug features 3/8" male pipe thread (MPT) connections and includes an O-ring for a watertight seal.This air release valve component...MSRP: $8.40$7.98 -
Filter, Cartridge, 30sqft, ht, 3-1/2"mpt b, 5-1/16", 8-1/2" 3oz
Horizon Series by Filbur
MSRP: $50.09$38.99MSRP: $50.09$38.99 -
10 sq ft Spa Filter Cartridge - 4" H x 4-1/4" Dia, Dual 1-15/16" Openings, Skim Filter Replacement
Horizon Series by Filbur
MSRP: $22.99$18.99Premium replacement cartridge filter delivering 10 square feet of filtration surface area for superior spa water clarity. This compact filter measures 4 inches in height with a 4-1/4 inch outer diameter, featuring dual open-end configuration with...MSRP: $22.99$18.99 -
Jacuzzi Whirlpool Spa Filter 9 3/4" x 4 5/8" 25sqft FC-0131 4CH-24 PGS25P4 Gatsby Blue Ridge Echo
HTPOFAmerica
MSRP: $45.99$38.99Replacement spa filter cartridge measuring 9 3/4" in length by 4 5/8" in diameter, featuring a closed top with handle and a 1 1/2" mpt thin threaded nipple (approximately 1 13/16" across threads on bottom). Compatible with various Jacuzzi Whirlpool hot...MSRP: $45.99$38.99 -
MSRP: $28.00$21.78 -
50sqft Spa Filter for Cal Spa & Marquis 12-1/2"x5-3/16" 2"MPT 5CH-352 5CH-502 FC-0195 PPM50
Horizon Series by Filbur
MSRP: $59.99$44.99This replacement filter cartridge is designed for select newer Cal Spa and Marquis Spas models. The cartridge measures 12-1/2" in height by 5-3/16" in diameter and features 2" Male Pipe Thread (MPT) connections with thick threading that has an outside...MSRP: $59.99$44.99 -
35 sq ft Spa Filter Cartridge 9-1/4" x 4-15/16" | 2-1/8" Openings | C-4335 FC-2385 PRB-35-IN
HTPOFAmerica
MSRP: $48.99$38.99This 35 square foot replacement filter cartridge measures 9-1/4" in length with a 4-15/16" outside diameter. Both top and bottom feature open-style 2-1/8" openings for optimal water flow through your hot tub filtration system. This widely-used cartridge...MSRP: $48.99$38.99 -
30 sq ft Hot Spring Spa Filter Cartridge 6" x 10-1/2" | FC-3915 C-6430 PWK30 | 1 15/16" Openings
Horizon Series by Filbur
MSRP: $42.00$32.99Genuine replacement 30 square foot filter cartridge engineered for Hot Spring spas manufactured by Watkins after 1990. This premium filtration cartridge measures 6 inches in outside diameter and 10-1/2 inches in overall length, featuring 1 15/16 inch...MSRP: $42.00$32.99 -
25sqft Spa Filter Cartridge 13-5/16" x 4-15/16" (2) 2 1/8" Openings FC-2375 PRB-25-IN C-4326
Hot Tub Parts or America
MSRP: $48.99$37.99A universal 25 Square Foot replacement filter cartridge designed to fit approximately 70% of hot tubs and spas on the market. This cartridge measures 13-5/16" in length with a 4-15/16" outside diameter.Features dual 2 1/8" openings on both top and bottom...MSRP: $48.99$37.99 -
40 sq ft Spa Filter Cartridge 6" x 8 1/4" with 1-1/2" SAE Thread - Front Load Housing Compatible
HTPOFAmerica
MSRP: $55.83$44.99Premium 40 square foot replacement filter cartridge designed for front-loading spa filter housings. Measures 8 1/4" in length with a 6" outside diameter. Features a 1 1/2" SAE threaded fitting at the bottom with distinctive heavy-duty threads...MSRP: $55.83$44.99 -
50sqft Spa Filter Cartridge 13-5/16"x4-15/16" 2-1/8" Openings FC-2390 C-4950 PRB50-IN Universal Fit
HTPOFAmerica
MSRP: $53.40$41.99Universal 50 square foot replacement filter cartridge designed to fit approximately 70% of hot tubs and spas on the market. Measures 13-5/16" in length with a 4-15/16" outside diameter. Features open-style dual 2-1/8" openings at both top and bottom for...MSRP: $53.40$41.99