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Click here for instructions on how to measure your hot tub filter.
30 sq. ft. top load.
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TOP Molded Cone Handle |
BOTTOM Male Thread/MPT 1-1/2” (inside diameter) |
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35 sq. ft. top load.
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TOP Molded Cone Handle |
BOTTOM Male Thread/MPT 1-1/2" (inside diameter) |
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47 sq. ft., (Common in HydroSpa & Platinum).
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TOP Semi-Circular Handle |
BOTTOM Male Thread / MPT 1-1/2" (inside diameter) |
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28 sq. ft. Martec, Sonfarrel, Santanna, Cal Spas, Advantage Mfg.
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TOP Open 2-1/8" (inside diameter) |
BOTTOM Open 2-1/8" (inside diameter) |
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50 sq. ft. Cal Spas, Martec, Sonfarrel, Advantage Mfg.
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TOP Open 2-1/8" (inside diameter) |
BOTTOM Open 2-1/8" (inside diameter) |
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50 sq. ft. Rainbow, Waterway Plastics, Custom Molded Products.
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TOP Open 2-1/8" (inside diameter) |
BOTTOM Open 2-1/8" (inside diameter) |
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You can also replace with the Micropure MF-170 disposable hot tub filter.
65 sq. ft. Sundance Spas. Note: Replaces both 7-1/2" & 8" O.D. Sundance cartridges.
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TOP Castle |
BOTTOM Open 2-1/16" (inside diameter) |
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65 sq. ft. Sundance Spas. Note: Replaces both 7-1/2" & 8" O.D. Sundance cartridges.
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TOP Castle |
BOTTOM Open 2-5/8" (inside diameter) |
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125 sq. ft. Sundance Spas
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TOP Castle |
BOTTOM Open with Bev. Edge 2-1/2" (inside diameter) |
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125 sq. ft. Sundance Spas - Universal Length.
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TOP Closed w/ 3-Step Edge |
BOTTOM Open w/ Beveled Edge 2-1/2" (inside diameter) |
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125 sq. ft. Sundance Spas.
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TOP Male Slip Fitting 1-1/2" (inside diameter) |
BOTTOM Open w/ Beveled Edge 2-1/2" (inside diameter) |
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125 sq. ft. Sundance Spas - No Core.
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TOP Male Slip Fitting 1-1/2" (inside diameter) |
BOTTOM Open w/ Beveled Edge 2-1/2" (inside diameter) (No Core) |
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