2 inches
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Cartridges, By Outside Diameter
PTL50W-P4 CARTRIDGE 6 IN X 14 3/4IN 50 SQ FT C6475 PTL50WP4 FC3089 ADVANCED SPA 75 JETTA SPAS
PTL50W-P4
C6475 PTL50WP4 FC3089 ADVANCED SPA 75 JETTA SPAS
$37.66 $33.89
PVT20 CARTRIDGE 3 3/8IN X 12 1/16IN 20 SQ FT PVT20 VITA SPAS VOYAGER
PVT20
PVT20 VITA SPAS VOYAGER
$43.36 $32.52
PVT30WH-M CARTRIDGE 8 1/2IN X 7 1/16IN 30 SQ FT PVT30WHM VITA SPAS AB5300
PVT30WH-M
PVT30WHM VITA SPAS AB5300
$54.14 $48.73
PWK45-O-4-XP CARTRIDGE 8 1/2IN X 12 5/16IN 45 SQ FT PWK45O4XP HOT SPRINGS SPAS MODEL P 1986
PWK45-O-4-XP
PWK45O4XP HOT SPRINGS SPAS MODEL P 1986
$53.78 $57.15
PXST175-M CARTRIDGE 8 15/16IN X 23 1/4IN 175 SQ FT MICROBAN PXST175M C8317 HAYWARD XSTREAM
PXST175-M
MICROBAN PXST175M C8317 HAYWARD XSTREAM
SARATOGA hot tub replacement filter FC-0189 CARTRIDGE 4 5/8IN X 11 7/8IN 27 SQ FT FC0189 1 9/10IN OPEN
FC-0189
FC0189 SARATOGA 1 9/10" OPEN
$37.15 $37.98