65 sq. ft. Sundance Spa Cartridge Filter C-7465 FC-2730 Diameter…………………………………7-1/2″ Length……………………………………14-3/4″ Top End Cap: id/config……………../ castle Bottom End Cap: id/config…………2-1/16″ / open Note: 2-1/16bottom id for 1-1/2system. Unicel part replaces both 7-1/2″ and 8″ OD Sundance cartridges. The filter cartridge is used on: Sundance Spas, OEM P/N 6540-480

90 sq. ft. Clean & Clear Plus, Quantum Cartridge Filter C-7476 FC-0675 Diameter…………………………………7" Length……………………………………20" Top End Cap: id/config……………..3" / open Bottom End Cap: id/config…………3" / open The filter cartridge is used on: Pentair Pool Prod Clean & Clear Plus, OEM P/N R173574, 566283 Quantum RPM, OEM P/N R173211, 56628300

150 GPM Pac-Fab Cartridge Filter C-7679 FC-1960 Diameter…………………………………7-7/8" Length……………………………………33-3/8" Top End Cap: id/config……………..3-1/16" / open Bottom End Cap: id/config…………3-1/16" / open The filter cartridge is used on: Pentair Pool Prod, OEM P/N 17-4980 Mytilus FMY 150

52 sq. ft. Dimension One Spas Cartridge Filter 7CH-552 FC-0465 Diameter…………………………………7" Length……………………………………10-1/2" Top End Cap: id/config……………../ semi-circular handle Bottom End Cap: id/config…………/ 2” male thread/MPT The filter cartridge is used on: Dimension One Spas, OEM P/N 1561-10

125 sq. ft. Clean & Clear Plus, Crystal Water Cartridge Filter C-7472 FC-1978 Diameter…………………………………7″ Length……………………………………32-1/16″ Top End Cap: id/config……………..3″ / open Bottom End Cap: id/config…………3″ / open The filter cartridge is used on: Pentair Pool Prod Clean & Clear Plus, OEM P/N R173578, 178585 Note: Four 125 sq.ft. cartridges required. Model dated after 11/98. Waterway Plastics Crystal Water 525 sq.ft., OEM P/N 817-0131 Crystal Water 600 sq.ft., OEM P/N 817-0143 Note: Four cartridges required. Click here if you want to buy the whole set of the cartridges.

25 sq. ft. American, Swimquip, Premier Cartridge Filter C-7425 FC-0610 Diameter…………………………………7″ Length……………………………………9-13/16″ Top End Cap: id/config……………..3″ / open Bottom End Cap: id/config…………3″ / open The filter cartridge is used on: Pentair Pool Prod Commander, OEM P/N R173200 Premier Springwater Hercules II , OEM P/N 27-078 Note: Can also be replaced with C-7425. Sta-Rite Posi-Clean RCP25, OEM P/N 24240-0016 Posi-Clean TXC25, OEM P/N WC108-140SI Posi-Clean TXC25B Posi-Clean RCB25B Note: Product can also be replaced with C-7425

75 sq. ft. Pac-Fab Seahorse-300 Cartridge Filter C-7491 FC-2190 Diameter…………………………………7" Length……………………………………18-7/16" Top End Cap: id/config……………..2-5/8" / open Bottom End Cap: id/config…………2-5/8" / open The filter cartridge is used on: Pentair Pool Prod, OEM P/N R173316 Sea Horse 300 (Stainless Steel Tank) Sea Horse FSH-300 (Fiberglass Tank) Note: Four 75 sq.ft. cartridges required.

105 sq. ft. Aquatemp Cartridge Filter C-7621 FC-6230 Diameter…………………………………7-1/4″ Length……………………………………21-13/16″ Top End Cap: id/config……………..2-15/16″ / open with step Bottom End Cap: id/config…………2-15/16″ / open with step The filter cartridge is used on: Aquatemp 2105, OEM P/N 84-92290

65 sq. ft. Sundance Spa Cartridge Filter C-7466 FC-2740 Diameter…………………………………7-1/2″ Length……………………………………14-3/4″ Top End Cap: id/config……………../ castle Bottom End Cap: id/config…………2-5/8″ / open Note: 2-5/8bottom id for 2system. Unicel part replaces both 7-1/2″ and 8″ OD Sundance cartridges. The filter cartridge is used on: Sundance Spas, OEM P/N 6540-481

100 sq. ft. Pac-Fab Seahorse-400 Cartridge Filter C-7492 FC-2192 Diameter…………………………………7" Length……………………………………24-3/4" Top End Cap: id/config……………..2-5/8" / open Bottom End Cap: id/config…………2-5/8" / open The filter cartridge is used on: Pentair Pool Prod, OEM P/N R173317, 1722841 Sea Horse 400 (Stainless Steel Tank), Sea Horse FSH-400 (Fiberglass Tank) Note: Four 100 sq.ft. cartridges required.