select Compare (0)
Compare Products

You have no items to compare.

Cartridge Couplers

Cartridge Couplers are used to combine two double open end water filter cartridges in order to extend the length of the water filters. Cartridge couplers can be used with standard water filter sizes and Big Blue water filter sizes.
  • Big Blue Water Filter Cartridge Coupler

    (Retail Price: $7.79 ) $5.49
  • Standard Water Filter Cartridge Coupler

    (Retail Price: $6.35 ) $4.29