Bath Spa Superstore is the place to stock up on spa filter elements. We carry hundreds of spa filter cartridges to fit every conceivable spa. If you’re a spa dealer, you’ll want to keep as many types of spa filter cartridges on hand as you have space for so your customers can find what they need at your shop. As a homeowner, you may have been told a spa filter cartridge should be changed annually, but this figure can differ depending on usage. Rely on Bath Parts for spa parts, hot tub heaters, pool replacement parts and all your bath, pool and spa needs.









![Darlly Spa/Pool Filter Cartridge [70521 [7CH-552] 52 sq ft Spa Filter Elements FC-0465](http://bathparts.com/cdn/shop/files/FC-0465.jpg?v=1763485818&width=1600)


![Darlly Spa/Pool Filter Cartridge [40260] (4CH-24) 1.5” MPT Spa Filter Elements 40260](http://bathparts.com/cdn/shop/files/40260.jpg?v=1762189445&width=1000)
![Darlly Spa/Pool Replacement Filter Cartridge [40353] 35 sq ft (C-4335) Spa Filter Elements C-4335](http://bathparts.com/cdn/shop/products/C-4335.jpg?v=1762189440&width=700)
![Darlly Spa/Pool Replacement Filter Cartridge [40353] 35 sq ft (C-4335) Spa Filter Elements api-v1.1-file-public_files-pim-assets-eb-c0-dd-61-61ddc0ebdd14481e49915197-images-98-24-1e-62-621e2498494bdba55a0c7304-bea_p-4335_filter-cartridge-proline-26](http://bathparts.com/cdn/shop/files/api-v1.1-file-public_files-pim-assets-eb-c0-dd-61-61ddc0ebdd14481e49915197-images-98-24-1e-62-621e2498494bdba55a0c7304-bea_p-4335_filter-cartridge-proline-26.jpg?v=1762189441&width=2000)

![Filter Cartridge C-4625 [25 sq ft] Spa Filter Elements api-v1.1-file-public_files-pim-assets-eb-c0-dd-61-61ddc0ebdd14481e49915197-images-78-24-1e-62-621e24781b20f8952f0f323b-bea_p-4625_filter-cartridge-proline-25](http://bathparts.com/cdn/shop/products/api-v1.1-file-public_files-pim-assets-eb-c0-dd-61-61ddc0ebdd14481e49915197-images-78-24-1e-62-621e24781b20f8952f0f323b-bea_p-4625_filter-cartridge-proline-25.jpg?v=1762189433&width=2000)
![Filter Cartridge C-4625 [25 sq ft] Spa Filter Elements api-v1.1-file-public_files-pim-assets-eb-c0-dd-61-61ddc0ebdd14481e49915197-images-77-24-1e-62-621e24771b20f8952f0f3235-old_p-4625_filter-cartridge-proline-81](http://bathparts.com/cdn/shop/products/api-v1.1-file-public_files-pim-assets-eb-c0-dd-61-61ddc0ebdd14481e49915197-images-77-24-1e-62-621e24771b20f8952f0f3235-old_p-4625_filter-cartridge-proline-81.jpg?v=1762189433&width=2000)

![Jacuzzi Spa/Pool Replacement Filter Cartridge [Keyed] [6473-157) PWW50-XP4 Spa Filter Elements 6473-157](http://bathparts.com/cdn/shop/files/6473-157.webp?v=1763420008&width=1000)
![Jacuzzi Spa/Pool Replacement Filter Cartridge [Keyed] [6473-157) PWW50-XP4 Spa Filter Elements 6473-157_bottom-Keyed](http://bathparts.com/cdn/shop/files/6473-157_bottom-Keyed.webp?v=1763420030&width=760)

![Darlly Spa/Pool Replacement Filter Cartridge [40256] (4CH-950) 1.5” SAE [25 sq ft] Spa Filter Elements 40256](http://bathparts.com/cdn/shop/files/40256.jpg?v=1757611276&width=1000)
![Pleatco Spa/Pool Replacement Filter Cartridge [30 sq ft] (10-00282) (PBF40) Spa Filters: Replacement Cartridges - Filbur 5" Outside Diameter Cartridge 17-775-1194_XL](http://bathparts.com/cdn/shop/files/17-775-1194_XL.jpg?v=1764788487&width=1600)
![Pleatco Spa/Pool Replacement Filter Cartridge [30 sq ft] (10-00282) (PBF40) Spa Filters: Replacement Cartridges - Filbur 5" Outside Diameter Cartridge 17-775-1194_2-BOTTOM__XL](http://bathparts.com/cdn/shop/files/17-775-1194_2-BOTTOM__XL.jpg?v=1764788490&width=1600)
![Darlly Spa/Pool Replacement Filter Cartridge (70804) (FC-1976) [80 sq ft] Spa Filters: Replacement Cartridges - Filbur 7" Outside Diameter Cartridge 70804](http://bathparts.com/cdn/shop/files/70804.jpg?v=1764788468&width=1000)
![Darlly Spa/Pool Replacement Filter Cartridge [70852] [115 sqft] Spa Filters: Replacement Cartridges - Filbur 7" Outside Diameter Cartridge 70852](http://bathparts.com/cdn/shop/files/70852.jpg?v=1764788445&width=1000)
![Darlly Spa/Pool Replacement Filter Cartridge [11001] [CS100XRE] [C-8408] Spa Filters: Replacement Cartridges - Filbur 7" Outside Diameter Cartridge 17-777-2152_XL](http://bathparts.com/cdn/shop/files/17-777-2152_XL.jpg?v=1754429641&width=1600)
![Darlly Spa/Pool Replacement Filter Cartridge [10200] (C-9483) Spa Filters: Replacement Cartridges - Filbur 8" Outside Diameter Cartridge 10200](http://bathparts.com/cdn/shop/files/10200.jpg?v=1754428691&width=1000)
![Darlly Spa/Pool Replacement Filter Cartridge [10150] 150 sq.ft. Pool Parts: Pool Cartridge Filters (CFR Systems Parts) 10161](http://bathparts.com/cdn/shop/files/10161.jpg?v=1764788434&width=1600)
![Darlly Spa/Pool Replacement Filter Cartridge [10102] 100 sq.ft. Pool Parts: Pool Cartridge Filters (CFR Systems Parts) 10102](http://bathparts.com/cdn/shop/files/10102.jpg?v=1764788432&width=1000)