Filter Replacement Cartridges. Spa & Pool Specialists, LLC

Unicel 6CH-940 Filter Cartridge

45 Sq Ft, OD 6", Length 8-1/4", Top end cap closed with string loop, Bottom end cap 2-1/8" open, 1-1/2" "SAE" Thread

3.7 Sq Ft Skim Filter, OD 2-3/4", Length 6", Top end cap closed, Botom end cap 1-1/16" open

10 Sq Ft skim filter, OD 4-1/4", Length 4", Top end cap 1-15/16" open, Bottom end cap 1-15/16"

35 Sq Ft, OD 4-15/16", Length 9-1/4", Top end cap 2-1/8" open, Bottom end cap 2-1/8" open

OD 4-15/16", Length 6-5/8", Top end cap 2-1/8", Bottom end cap 2-1/8", Filter model Rainbow DSF-50

50 Sq Ft, OD 4-15/16", Length 13-5/16", Top end cap 2-1/8" open, Bottom End Cap 2-1/8" open

25 Sq Ft, OD 5-11/16", Length 10-3/8"

25 Sq Ft, OD 7", Length 9-13/16", Top end cap 3" open with molded gasket, Bottom end cap 3" open with molded gasket, Filter model Hayward CX250-RE