Replacement filters and parts for 15ft MasterSpas swim spas including the H2X Trainer 15 D & SE, H2X Challenger 15 D & SE, and Therapool 15 series. Use our year selector above to make sure you get the right filter for your model year.
MasterSpas Dual R3 Filter Set
Sale price$239.98
Master Clear® MA-R3 Filter - 2" FPT
Sale price$45.00
MasterSpas R4 (2" FPT) & Three MA40 Filter Set
Sale price$319.99
Insta‑Test® 3+ Test Strips
Sale price$13.99
Easy Clean 6000 Filter Cleaner
Sale price$13.99
Blu Water Pure Fill Pro
Sale price$27.99
Master Clear EcoPur
Sale price$74.99
