20 sq.ft. Cartridge Filter Saratoga Spa 4CH-920 FC-0124 Diameter…………………………………4-5/8" Length……………………………………6-3/4" Top End Cap: id/config……………../ molded cone handle Bottom End Cap: id/config…………/ 1-1/4" SAE thread

50 sq. ft. Cartridge Filter Advantage Electric C-4349 FC-6310 Diameter…………………………………4-15/16" Length……………………………………17-3/8 Top End Cap: id/config……………..2-1/8" / open Bottom End Cap: id/config…………2-1/8" / open The cartridge is used on the following spas: Advantage Mfg., OEM P/N ELE-50 (top load)

25 sq. ft. Cartridge Filter Hayward CX225RE, American Commander II C-4325 FC-1220 Diameter…………………………………4-5/8″ Length……………………………………11-7/8″ Top End Cap: id/config……………..2-1/16″ / open Bottom End Cap: id/config…………2-1/16″ / open The load cartridge is used on: Hayward Pool Products MicroStar-Clear C225 (in-line), OEM P/N CX225RE Pentair Pool Prod Commander II (in-line) , OEM P/N 57010500 Apollo Spas Emerald Spas Sonoma Spas Note: Hayward original is 4-3/4″ OD and 11-13/16″ overall length. American original is 4-11/16″ OD.

50 sq. ft. Cartridge Filter Grecian Spa C-4350 FC-3072 Diameter…………………………………4-5/8" Length……………………………………23-3/4" Top End Cap: id/config……………..2-1/16" / open Bottom End Cap: id/config…………2-1/16" / open The cartridge is used on: Discovery Spas

60 sq.ft. Cartridge Filter Icon Spas C-4360 FC-0179 Diameter…………………………………4-1/4" Length……………………………………23-3/4" Top End Cap: id/config……………../ semi-circular handle Bottom End Cap: id/config…………2" / open Also used on: Pleatco Image Spa Model # 739, OEM P/N PIC60

30 sq. ft. Cartridge Filter Skim filter, Lifestyle C-4431 FC-3078 Diameter…………………………………4-15/16" Length……………………………………10-3/8" Top End Cap: id/config……………../ closed Bottom End Cap: id/config…………2-1/8" / open The cartridge is also used on: Discovery Spas

19 sq. ft. Cartridge Filter Alcove, Dream Maker Spa 4CH-21 FC-0121 Diameter…………………………………4-5/8" Length……………………………………8" Top End Cap: id/config……………../ molded cone handle Bottom End Cap: id/config…………/ 1-1/2” male thread/MPT Used on: Alcove Atera Spas (Four Seasons Home Resort Products) Dream Maker Spas Pageant Spas Saratoga Spa, OEM P/N 20245-238 Vita Spas Note: Remove "pad adapter” from the skimmer before threading Unicel MPT directly into the suction fitting., OEM P/N PVT 25N Note: Replaces any cartridge that has an MPT fitting or a 1.9" id with disposable adapter.

75 sq. ft. Cartridge Filter Rainbow RTL-75, Custom Molded Products C-4975 FC-2395 Diameter…………………………………4-15/16" Length……………………………………20-1/8" Top End Cap: id/config……………..2-1/8" / open Bottom End Cap: id/config…………2-1/8" / open The cartridge is used on the following spas: Custom Molded Products Top Mount Skim, OEM P/N 25390 EZ Twist Top Mount Skim Top Load Pressure Dakota Spas Emerald Spas Hydro Pool Industries Nahani Spas by Maax Pentair Pool Prod Dynamic Series V – DSC-75, OEM P/N R173435 Dynamic Series II & III – RTL/RCF, OEM P/N 17-2632

50 sq. ft. Cartridge Filter Rainbow, Waterway, Custom Molded Products C-4950 FC-2390 Diameter…………………………………4-15/16″ Length……………………………………13-5/16″ Top End Cap: id/config……………..2-1/8″ / open Bottom End Cap: id/config…………2-1/8″ / open The cartridge is used on the following spas: Aber Hot Tubs (Canada), OEM P/N 03FIL1600 Accent Acryx-Maax (Canada) Alps American Apollo Aqua Mystic Aqua Tech Aquiform-Infinity Arcadia Artesian Baja Beachcomber Belize Blue Falls Mfg. Ltd. (Canada) Blue Pacific Bullfrog Cal Charisma Clipper Coast Mountain (Canada) Coast (Canada) Coleman Columbia Crystal Waters (Canada) Custom Molded Products Top Mount Skim, OEM P/N 25391 Top Load Pressure EZ Twist Top Mount Skim, OEM P/N 25393 Diamond Back Discovery Dynasty Four Winds Spa Freedom Spas Note: Model dated after 1993. Gatsby Spas Great Lakes Home & Resort H2O Spas Haughs Haven Spas Hawkeye Spas Heldor Spas Honey Tubs Hydro Spa Icon Infinity Spas – TN Islander J.E.M. Jacuzzi Premium J200, OEM P/N 373045 Leisure Bay Spas Maax Spas of AZ Marathon Millennium Moonwater Morgan Northwest Spas Orca Bay Spas Pageant Pentair Pool Prod Dynamic Series IV – DFM,DFML, OEM P/N R173434, 17-2380 Phoenix Spas QCA River Valley Spas Rubadub Tub Safari Spas Seahorse Spas Sequoia Design Sierra Spas Signature Sonoma Southwest Spa Crest Spas Direct Streamline Spas Sun
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Cartridge Filter Coleco F-110, CR-8 C-4609 FC-3725 Diameter…………………………………4-3/4" Length……………………………………8" Top End Cap: id/config……………..1-1/4" / open Bottom End Cap: id/config…………2-7/16" / open The cartridge is used on: Pleatco Coleco F-108, F-110, CR-8, OEM P/N PC-8 Note: This product can also be replaced with C-4608 (no core).