25 sq. ft. Cartridge Filter Pentair Quad D.E. 100 178656 C-6900 FC-1963 Diameter…………………………………6-1/4" Length……………………………………32-3/4″ Top End Cap: id/config……………..3″ / open with molded gasket Bottom End Cap: id/config…………3″ / open with molded gasket UPC………………………………………64554401963 The cartridge is used on the following filter: Pentair Quad D.E. 100 Note: Four 25 sq. ft. cartridges required Save money with Quad Packs. Click here if you want to buy the whole set of the cartridges .

60 sq. ft. Jacuzzi CF-60 Cartridge Filter C-6660 FC-1445 Diameter…………………………………6-15/16" Length……………………………………29-3/8" Top End Cap: id/config……………..3-1/2" / open Bottom End Cap: id/config…………3-1/2" / open The filter cartridge is used on the following spas: Jacuzzi Brothers CF-60 (Crystal Flow) , OEM P/N 23-2297-01 Note: Product discontinued by Jacuzzi. Note: This product has no center core.

40 sq. ft. Jacuzzi CF-40 Cartridge Filter C-6640 FC-1440 Diameter…………………………………6-15/16″ Length……………………………………19-3/8″ Top End Cap: id/config……………..3-1/2″ / open Bottom End Cap: id/config…………3-1/2″ / open The filter cartridge is used on the following spas: Jacuzzi Brothers CF-40 (Crystal Flow) , OEM P/N 23-2214-01 Note: This product has no center core. Note: Product discontinued by Jacuzzi.

45 sq. ft. Cartridge Filter Hot Springs Spas Watkins C-6600 FC-3930 Diameter…………………………………6-3/8" Length……………………………………11-7/8" Top End Cap: id/config……………..3" / open Bottom End Cap: id/config…………3" / open The cartridge is used on the following spas: Hot Springs Spas, OEM P/N 31115 Note: The original was 25 sq. ft. (116 pleats). The replacement has been upgraded to 45 sq. ft.

33 sq. ft. Cartridge Filter Hot Springs Spas Watkins C-6433 FC-3920 Diameter…………………………………6" Length……………………………………9" Top End Cap: id/config……………..1-15/16" / open Bottom End Cap: id/config…………1-15/16" / open The cartridge is used on the following spas: Hot Springs Spas, OEM P/N 31250

Cartridge Filter Coleco DR-17 C-6617 FC-3741 Diameter…………………………………6-1/2" Length……………………………………17" Top End Cap: id/config……………..3" / open Bottom End Cap: id/config…………3" / open The cartridge is used on the following spas: Coleco, OEM P/N PC-17 F-355 F-360 F-455 F-460 DR-17

25 sq. ft. Cartridge Filter Four Seasons, Aqua Spa C-6601 FC-3083 Diameter…………………………………6" Length……………………………………9-3/4" Top End Cap: id/config……………../ semi-circular handle Bottom End Cap: id/config…………1-7/8" / open with slots The cartridge is used on the following spas: Aqua Spa Four Seasons