Spa Filter Cartridges

Waterway | FILTER CARTRIDGE | 50 SQ FT - EXT UPPER | 817-0011 Filter Cartridge: Lower sold separate - seeWW # 817-0012 AI# 4-05-0529 Brand name : Waterway

Waterway | FILTER CARTRIDGE | 50 SQ FT - EXT LOWER | 817-0012 Filter Cartridge:Upper sold separate - seeWW # 817-0011 AI# 4-05-0528 Brand name : Waterway

Pleatco | FILTER CARTRIDGE | 40 SQ FT - PACIFIC MARQUIS | PPM40   OD - 5-3/16"Length - 19-5/8"Btm ID - 1-5/8"Top ID - closedUnicel Cross - C-5636/2-5637 Brand name : Pleatco

Pleatco | FILTER CARTRIDGE | 50 SQ FT - DIMENSION ONE | PTL50-H OD: 4-3/4"Length: 15-1/2"Btm ID: 1.90" 1-1/2" MPTTop ID: top handleUnicel cross: 4CH-50 Brand name : Pleatco

Pleatco | FILTER CARTRIDGE | 35 SQ FT - THERMO SPA | PTL35W   OD = 6"Length = 11"Btm ID = 1.90"Top ID = posi grip handleUnicel cross #6CH35 Brand name : Pleatco

Pleatco | FILTER CARTRIDGE | 40 SQ FT - MUSKIN | PMS40   OD = 6-1/4"Length = 11-1/4"Btm ID = 2-5/8"Top ID = 2-5/8"Unicel cross #N/A Brand name : Pleatco

Sundance® Spas | FILTER CARTRIDGE |130 SQ FT - Sundance® | 6473-165 Micro-Clean Ultra - Fits all 2009+ 880 SpasOuter Core only:OD: 8.42"Length: 19.82"Btm ID: 4.5"Top ID: Raised 1.5" Brand name : Sundance® Spas

Pleatco | FILTER CARTRIDGE | 25 SQ FT - RAINBOW / WATERWAY | PSG25 PVT25 OD: 5"Length: 7-3/4"Btm ID: 1.90" Top ID: posi grip handleUnicel cross #C-4303 Brand name : Pleatco

 R J Filtration | FILTER CARTRIDGE |  35 SQ FT - PACIFIC MARQUIS | AK-90103

Pleatco | FILTER CARTRIDGE | 25 SQ FT - SEASONMASTER | PLW25     OD - 6"Length - 8-1/4"Btm ID - 1-1/2"Top ID - side grip handle Brand name : Pleatco

Pleatco | FILTER CARTRIDGE | 25 SQ FT - SEVEN SEAS | PPI25 OD: 5"Length: 9-7/8"Btm ID: 2-1/8" Top ID: closed Unicel cross #C-4328 Brand name : Pleatco

Pleatco | FILTER CARTRIDGE | 40 SQ FT D-1 | PDO-UF40    OD: 4-3/8"Length: 16"Btm ID: 1.9" 1-1/4"SAETop ID: posi grip handleUnicel cross #4CH-940 Brand name : Pleatco