50 sq. ft. Cartridge Filter Cal Spas, Martec, Sonfarrel C-4305 FC-1618 Diameter…………………………………4-15/16" Length……………………………………14-7/8" 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. Cal Spas Dolphin Martec, OEM P/N CL-2807 Pageant Spas Sonfarrel, OEM P/N 220142 Sundance Spas, OEM P/N 6540-497

Cartridge Filter Rainbow DSF-50, Waterway C-4405 FC-2387 Diameter…………………………………4-15/16″ Length……………………………………6-5/8″ Top End Cap: id/config……………..2-1/8″ / open Bottom End Cap: id/config…………2-1/8″ / open The cartridge is used on: Beachcomber, OEM P/N 3005825 Canspa Mfg. (Canada) Catalina Spas Clearwater Spas Diamond Back Spas Discovery Spas Freedom Spas Liberty, Note: Model dated after 1993. Legend Spas Lifestyle Spas (Canada) Moose Mountain Spas (Canada) Pentair Pool Prod Dynamic Series IV – Model DSF, OEM P/N R173433, 17-2464 Signature Spas Sundance Spas Sunrise Spas Thermo Spas of Connecticut US Tooling & Spa Waterway Plastics Skim filter Note: 2 cartridges per set with stick handle.

65 sq. ft. Cartridge Filter Dimension One 4CH-65 FC-0171 Diameter…………………………………4-5/8" Length……………………………………19-5/8" Top End Cap: id/config……………../ molded cone handle Bottom End Cap: id/config…………/ 1-1/2” male thread/MPT The top load cartridge is used on: Dimension One Spas OEM P/N 1561-06 (65 sq. ft.), 1561-07 (80 sq. ft.) Note: Replaces any cartridge that has an MPT fitting or a 1.9" id with disposable adapter.

15 sq. ft. Cartridge Filter Haugh’s, Jacuzzi Leisure C-22 C-4604 FC-3758 Diameter…………………………………4-1/4" Length……………………………………17-7/8" Top End Cap: id/config……………..1-15/16" / open Bottom End Cap: id/config…………1-15/16" / open Also used on: Jacuzzi Leisure Prod. (Canada) C-22 cartridge filter, OEM P/N 1370031

25 sq. ft. Cartridge Filter Santanna C-4428 FC-2620 Diameter…………………………………4-15/16" Length……………………………………9-13/16" Top End Cap: id/config……………..2-1/8" / open Bottom End Cap: id/config…………2-1/8" / open The cartridge is used on: Santanna

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