Thermo Spa Hot Tub Filters

Hot Tub Filters Unlimited

Welcome to Hot Tub Filters Unlimited

With our easy to navigate site you can find your replacement filters ( cartridge )for Thermo Spa in a hurry.

	filters for Thermo Spa Hot Tub PMT27.5 Martec for Hawkeye, Thermo Spa CL-2200, CL-2800 This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1425 PMT27.5 FC-1615 ELE-25 C-4301 Diameter 5 in. Length 14-7/8 in. Top open 2-1/8 in. Bottom open 2-1/8 in. Price: $ 27.76	Click to Order

	filters for Thermo Spa Hot Tub PTL25W-SV American & Thermo Spa 25sqft W/1.5"mpt W/PAD This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1009 PTL25W-SV FC-0310 6CH-26 Diameter 6 in. Length 7 in. Top w/handle Bottom MPT Thread 1-1/2 in. 1.5 Pad A Price: $ 29.84	Click to Order

	filters for Thermo Spa Hot Tub PTL35W mpt w/pad Thermo Spa This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1820 PTL35W, 6CH-35 FC-0320 Diameter 6 in. Length 9-7/8 in. Top: w/handle Bottom: MPT Thread, 1.5 Pad A Price: $ 38.16	Click to Order

	filters for Thermo Spa Hot Tub PRB25SF 50sqft skim Filter (pkg of 2) This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1615 DSF-35 PRB25SF-PR PRB25SF UNIC4405 C-4405 817-5010 3005825 Diameter 5 in. Length 6-5/8 in. Top hole 2-1/8 in. Bottom hole 2-1/8 Price: $ 34.73	Click to Order

	filters for Thermo Spa Hot Tub PRB17.5SF 35 sqft. skim filter. (sold as a pair) This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1610 PRB17.5SF UNICA4401 4900-33 C-4401 FC-2386 DSF-35 Diameter 5 in. Length 4-5/8 in. Top hole 2-1/8 in. Bottom hole 2-1/8 Price: $ 25.78	Click to Order

	Skim filters for Thermo Spa Hot Tub PWW10 Waterway 10 sq ft. Skim filter cartridge This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1746 PWW10 4900-111 C-4310 FC-3077 Diameter 4-1/4 in. Length 4-1/16 in. Top hole opening 2 in. Bottom hole opening 2 in. Price: $ 11.05	Click to Order

	Filters for Thermo Spa Hot Tub Rainbow Dynamic 25 sq ft in-line filter 3oz This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1210 PRB25-IN UNIC4625 4900-40 C-4625 C-4326 FC-2375 Diameter 5 in. Length 13-5/16 in. Top hole opening 2-1/8 in. Bottom hole opening 2-1/8 in. Price: $ 19.83	Click to Order

	Filters for Thermo Spa Hot Tub Rainbow Dynamic 50 sq ft Series This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM and was manufactured under the following numbers: Horizon # 17-175-1595 PRB50-IN UNIC4950 4900-41 C-4950 Diameter 5 in. Length 13-5/16 in. Top hole opening 2-1/8 in. Bottom hole opening 2-1/8 in. Price: $ 30.78	Click to Order

	Filters for Thermo Spa Hot Tub PWW50 Waterway 50sqft W/1.5 in sae thd adapt This filter was manufactured by the following companies: Filbur, Pleatco, Unicel, OEM, Waterway and was manufactured under the following numbers: Horizon # 17-175-1749 PWW50-PAD3 03FIL1300 FC-0359 03FIL1400 Diameter 6 in. Length 8-1/4 in. Top w/handle Bottom SAE Thread 1.5in SAE T Price: $ 32.20	Click to Order