Master Spa Filters

Master Spa Filters Collection
Keep your swim spa or hot tub running crystal clear with our full range of Master Spa replacement filters. Designed to deliver superior water clarity and protect your spa equipment, these filters trap dirt, oils, and debris so you can enjoy a cleaner, healthier soak.

We carry a wide selection of OEM and aftermarket filters to fit popular Master Spas models, including Twilight Series, Legend Series, Michael Phelps Swim Spas, and more. Whether you need a cartridge filter for routine maintenance or a complete replacement set, you’ll find the right option here.

✔️ Genuine Master Spa & high-quality aftermarket filters
✔️ Available in single cartridges or multi-packs
✔️ Easy to install and replace
✔️ Helps extend the life of your pump and heater

Replace your Master Spa filters regularly to keep your water fresh, reduce chemical use, and get the most out of your spa experience.