Master Spas X268546 Outer Locking Filter (50 Sq. Ft.) Protect your investment with the genuine OEM Master Spas X268546 outer locking filter. Engineered for select Twilight Series hot tubs, Michael Phelps Legend Series spas, and H2X Therapool swim spas, this high-capacity 50-square-foot cartridge…
The genuine OEM Master Spas X268546 is the outer locking filter used with the EcoPur® Charge filtration system on select Master Spas Twilight Series hot tubs, Michael Phelps Legend Series spas, and H2X Therapool swim spas. Designed to work with the X268532 EcoPur Charge mineral cartridge and the X268543 stand-alone filter, it provides exceptional mechanical filtration while maintaining maximum water flow.
Specifications
Manufacturer SKU X268546
Pleatco Part Number PMA-R1
Filter Type Outer locking pleated cartridge
Filtration Area 50 sq. ft.
Outside Diameter 6.5 in. (16.5 cm)
Body Length 7.75 in.
Overall Length 8.75 in.
Top Style Closed with molded handle
Bottom Style Locking/threaded base
Filter Media Premium polyester
Weight Approximately 1 lb. 12.8 oz. (810 g)
OEM / Aftermarket Genuine OEM Master Spas
Replacement Interval Rinse monthly, deep clean every 3–4 months, replace every 12 months
Compatible With
Twilight Series (2017–2024)
TS6.2, TS67.15, TS67.25, TS7.15, TS7.2, TS7.25, TS8.2, TS8.25, TS8.3, TS8.35, TS87.3, TS FIT, TS FIT W/TV, TS MP
Michael Phelps Legend Series
MPL700, MPL800, MPL850, MPL900
H2X Therapool Series
Therapool SE, Therapool Deep
Note: This filter is not compatible with 2025-and-newer Twilight, Legend, or Therapool models, which use a redesigned filtration system.
Cross Reference Numbers
Master Spas X268546
Pleatco PMA-R1
Master Spas Description Twilight / Legend / Therapool Outer Filter
Note: Unlike many Master Spas filters, the X268546 is a proprietary locking filter. There are no widely recognized Unicel or Filbur direct replacements because of its unique locking design. While some owners have experimented with similar filters, the OEM X268546 is the recommended replacement for proper fit and performance.
Product Summary
Master Spas X268546 Outer Locking Filter (50 Sq. Ft.)
Protect your investment with the genuine OEM Master Spas X268546 outer locking filter. Engineered for select Twilight Series hot tubs, Michael Phelps Legend Series spas, and H2X Therapool swim spas, this high-capacity 50-square-foot cartridge captures dirt, oils, and debris while maintaining exceptional water flow. Designed specifically to work with the X268532 EcoPur® Charge mineral cartridge and X268543 stand-alone filter, the X268546 delivers factory-fit performance and superior water clarity. Rinse monthly, clean regularly, and replace annually to keep your spa operating at peak efficiency.
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Master Spas X268546 Outer Locking Filter (50 Sq. Ft.)
$69.95
Master Spas X268546 Outer Locking Filter (50 Sq. Ft.) Protect your investment with the genuine OEM Master Spas X268546 outer locking filter. Engineered for select Twilight Series hot tubs, Michael Phelps Legend Series spas, and H2X Therapool swim spas, this high-capacity 50-square-foot cartridge…
Description
The genuine OEM Master Spas X268546 is the outer locking filter used with the EcoPur® Charge filtration system on select Master Spas Twilight Series hot tubs, Michael Phelps Legend Series spas, and H2X Therapool swim spas. Designed to work with the X268532 EcoPur Charge mineral cartridge and the X268543 stand-alone filter, it provides exceptional mechanical filtration while maintaining maximum water flow.
Specifications
Manufacturer SKU X268546
Pleatco Part Number PMA-R1
Filter Type Outer locking pleated cartridge
Filtration Area 50 sq. ft.
Outside Diameter 6.5 in. (16.5 cm)
Body Length 7.75 in.
Overall Length 8.75 in.
Top Style Closed with molded handle
Bottom Style Locking/threaded base
Filter Media Premium polyester
Weight Approximately 1 lb. 12.8 oz. (810 g)
OEM / Aftermarket Genuine OEM Master Spas
Replacement Interval Rinse monthly, deep clean every 3–4 months, replace every 12 months
Compatible With
Twilight Series (2017–2024)
TS6.2, TS67.15, TS67.25, TS7.15, TS7.2, TS7.25, TS8.2, TS8.25, TS8.3, TS8.35, TS87.3, TS FIT, TS FIT W/TV, TS MP
Michael Phelps Legend Series
MPL700, MPL800, MPL850, MPL900
H2X Therapool Series
Therapool SE, Therapool Deep
Note: This filter is not compatible with 2025-and-newer Twilight, Legend, or Therapool models, which use a redesigned filtration system.
Cross Reference Numbers
Master Spas X268546
Pleatco PMA-R1
Master Spas Description Twilight / Legend / Therapool Outer Filter
Note: Unlike many Master Spas filters, the X268546 is a proprietary locking filter. There are no widely recognized Unicel or Filbur direct replacements because of its unique locking design. While some owners have experimented with similar filters, the OEM X268546 is the recommended replacement for proper fit and performance.
Product Summary
Master Spas X268546 Outer Locking Filter (50 Sq. Ft.)
Protect your investment with the genuine OEM Master Spas X268546 outer locking filter. Engineered for select Twilight Series hot tubs, Michael Phelps Legend Series spas, and H2X Therapool swim spas, this high-capacity 50-square-foot cartridge captures dirt, oils, and debris while maintaining exceptional water flow. Designed specifically to work with the X268532 EcoPur® Charge mineral cartridge and X268543 stand-alone filter, the X268546 delivers factory-fit performance and superior water clarity. Rinse monthly, clean regularly, and replace annually to keep your spa operating at peak efficiency.
Additional information
Master Spas
2017–2024, 2025
X268546
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