Master Spas Hot Tub Replacement Filters
Master Spas (Fort Wayne, Indiana) is best known for swim spas, the H2X line and the Michael Phelps signature series. Their traditional hot tubs (Twilight, Legend) use conventional cartridge filtration that cross-references to standard Pleatco numbers.
The 5 Master Spas configurations below cover hot tub filter requirements. Swim spa filtration is a separate animal, often using larger cartridges or multiple filters in series, so verify against your specific model before ordering.
5 models indexed below
Master Spas
→Twilight TS 7.2
6-person · 2004-present
Master Spas
→Twilight TS 8.2
7-person · 2004-present
Master Spas
→Legend
6-person · 2004-2013
Master Spas
→Clarity
5-person · 2004-present
Master Spas
→H2X Swim Spa
2004-present
Quick tip: the fastest way to confirm the right cartridge is to pull yours and read the part number off the end cap. The owner's manual is the backup if the printing has worn off.