Collection: Premium Spa & Hot Tub Filters – Replacement Cartridges for Clean, Crystal-Clear Water
Keep your hot tub or spa water sparkling clean with our wide selection of high-performance spa and hot tub filter cartridges. Whether you own a Softub®, Jacuzzi®, Hydropool, or Freeflow spa, we carry top-quality replacement filters designed to fit all major brands and models. Clean filters are essential to maintaining safe, clear, and healthy water—and replacing them regularly extends the life of your hot tub equipment.
At Splash Pool & Spa, we make it easy to find the right filter with a curated collection of industry-trusted brands like Unicel, Pleatco, ProAqua, and more. Every filter is crafted with durable, pleated media to trap dirt, oils, and debris while maximizing water flow and efficiency.
Why Choose Our Spa & Hot Tub Filters?
✔️ Compatible with top brands: Softub®, Hydropool, Jacuzzi®, Freeflow, Bullfrog & more
✔️ Long-lasting pleated media for powerful filtration
✔️ Easy-to-install and built for multiple cleaning cycles
✔️ Expert support from your local spa care specialists
Not sure which filter fits your spa? Contact us for expert guidance - we’re here to help!
Keep your soak stress-free with reliable replacement filters from Splash Pool & Spa, trusted for premium water care products and local service expertise.

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Waterway Niche & Lid (Black) – For Top Load Inline Filters, Stamped 519-1080
Regular price $48.45 CADRegular priceUnit price / per -
CX120B Micro Star-Clear Filter Body Housing – Hayward Replacement
Regular price $142.68 CADRegular priceUnit price / per -
ProAqua Filter Cleaning Wand – Handheld Spa & Pool Cartridge Cleaner
Regular price $29.50 CADRegular priceUnit price / per$36.99 CADSale price $29.50 CADSale -
PA-421 Replacement Cartridge Filter – High-Performance Spa & Pool Filtration
Regular price $37.65 CADRegular priceUnit price / per$48.99 CADSale price $37.65 CADSale -
ProAqua Cartridge Filter PA‑6940 – 6" x 9" Spa/Hot Tub Replacement Filter
Regular price $46.15 CADRegular priceUnit price / per$49.99 CADSale price $46.15 CADSale -
Unicel Hot Tub Filter Cartridge – C-6640 Replacement Spa Filter (40 Sq. Ft.)
Regular price $84.30 CADRegular priceUnit price / per$88.99 CADSale price $84.30 CADSale -
ProAqua Replacement Spa Filter Cartridge – Compatible with Bullfrog Spas
Regular price $73.85 CADRegular priceUnit price / per$80.56 CADSale price $73.85 CADSale -
Replacement Spa Filter – Compatible with PRB50-IN, Unicel C-4950, Filbur FC-2390, and More
Regular price $36.45 CADRegular priceUnit price / per$40.79 CADSale price $36.45 CADSale -
Replacement Spa Filter Cartridge – Fits PFF25TC-P4, 4CH-23, FC-2400 for Freeflow TLX & RLX Spas
Regular price $27.65 CADRegular priceUnit price / per$29.99 CADSale price $27.65 CADSale -
Spa Filter Cartridge – 6CH-49 Replacement with Handle Top & SAE Threaded Bottom
Regular price $88.50 CADRegular priceUnit price / per$99.99 CADSale price $88.50 CADSale -
PleatcoPure PDM25P4 Spa Filter Cartridge – 25 Sq. Ft. Premium Replacement (4.9" x 13.5")
Regular price $46.15 CADRegular priceUnit price / per$54.99 CADSale price $46.15 CADSale -
ProAqua Cartridge Filter PA-6961 – Premium Replacement Spa Filter (Compatible with PJW60TL-OT-F2S, 6CH-961, FC-2715)
Regular price $76.40 CADRegular priceUnit price / per -
ProAqua Cartridge Filter PA-6960 – Spa Filter Replacement for Clean, Clear Water
Regular price $74.10 CADRegular priceUnit price / per -
ProAqua OC6-940 Spa Cartridge Filter – Replacement for 6CH-940, PWW50P3, PA-AP60401
Regular price $46.15 CADRegular priceUnit price / per$49.99 CADSale price $46.15 CADSale -
Unicel 6CH-924 Cartridge Filter – 25 Sq. Ft. Replacement Spa Filter
Regular price $58.28 CADRegular priceUnit price / per$62.99 CADSale price $58.28 CADSale -
Unicel C-4325 Spa Filter Cartridge – 25 Sq. Ft. Replacement for Hayward and More
Regular price $37.62 CADRegular priceUnit price / per$61.32 CADSale price $37.62 CADSale