Reverse Osmosis Cartridge Kits

  • 4-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $66.00
    Part#: ROK-4M-100
  • 4-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with GE Membrane

    $76.00
    Part#: ROK-4M-100BST
  • 4-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $70.00
    Part#: ROK-4M-100BET
  • 4-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $58.00
    Part#: ROK-4M-24
  • 4-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $62.00
    Part#: ROK-4M-24BET
  • 4-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $60.00
    Part#: ROK-4M-36
  • 4-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $64.00
    Part#: ROK-4M-36BET
  • 4-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $60.00
    Part#: ROK-4M-50
  • 4-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $70.00
    Part#: ROK-4M-50BST
  • 4-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $64.00
    Part#: ROK-4M-50BET
  • 4-Stage, 60 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $62.00
    Part#: ROK-4M-60
  • 4-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $62.00
    Part#: ROK-4M-75
  • 4-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $72.00
    Part#: ROK-4M-75BST
  • 4-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $66.00
    Part#: ROK-4M-75BET
  • 5-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $77.00
    Part#: ROK-5M-100
  • 5-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with GE Membrane

    $87.00
    Part#: ROK-5M-100BST
  • 5-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $82.00
    Part#: ROK-5M-100BET
  • 5-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $69.00
    Part#: ROK-5M-24
  • 5-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $73.00
    Part#: ROK-5M-24BET
  • 5-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $71.00
    Part#: ROK-5M-36
  • 5-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $75.00
    Part#: ROK-5M-36BET
  • 5-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $71.00
    Part#: ROK-5M-50
  • 5-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $81.00
    Part#: ROK-5M-50BST
  • 5-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $75.00
    Part#: ROK-5M-50BET
  • 5-Stage, 60 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $73.00
    Part#: ROK-5M-60
  • 5-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $73.00
    Part#: ROK-5M-75
  • 5-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $83.00
    Part#: ROK-5M-75BST
  • 5-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $77.00
    Part#: ROK-5M-75BET

24 GPD Reverse Osmosis Kits

  • 4-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $58.00
    Part#: ROK-4M-24
  • 4-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $62.00
    Part#: ROK-4M-24BET
  • 5-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $69.00
    Part#: ROK-5M-24
  • 5-Stage, 24 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $73.00
    Part#: ROK-5M-24BET

36 GPD Reverse Osmosis Kits

  • 4-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $60.00
    Part#: ROK-4M-36
  • 4-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $64.00
    Part#: ROK-4M-36BET
  • 5-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $71.00
    Part#: ROK-5M-36
  • 5-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $75.00
    Part#: ROK-5M-36BET

50 GPD Reverse Osmosis Kits

  • 4-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $60.00
    Part#: ROK-4M-50
  • 4-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $70.00
    Part#: ROK-4M-50BST
  • 4-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $64.00
    Part#: ROK-4M-50BET
  • 5-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $71.00
    Part#: ROK-5M-50
  • 5-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $81.00
    Part#: ROK-5M-50BST
  • 5-Stage, 50 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $75.00
    Part#: ROK-5M-50BET

60 GPD Reverse Osmosis Kits

  • 4-Stage, 60 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $62.00
    Part#: ROK-4M-60
  • 5-Stage, 60 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $73.00
    Part#: ROK-5M-60

75 GPD Reverse Osmosis Kits

  • 4-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $62.00
    Part#: ROK-4M-75
  • 4-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $72.00
    Part#: ROK-4M-75BST
  • 4-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $66.00
    Part#: ROK-4M-75BET
  • 5-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $73.00
    Part#: ROK-5M-75
  • 5-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Filmtec Membrane

    $83.00
    Part#: ROK-5M-75BST
  • 5-Stage, 75 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $77.00
    Part#: ROK-5M-75BET

100 GPD Reverse Osmosis Kits

  • 4-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $66.00
    Part#: ROK-4M-100
  • 4-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with GE Membrane

    $76.00
    Part#: ROK-4M-100BST
  • 4-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $70.00
    Part#: ROK-4M-100BET
  • 5-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with CSM Membrane

    $77.00
    Part#: ROK-5M-100
  • 5-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with GE Membrane

    $87.00
    Part#: ROK-5M-100BST
  • 5-Stage, 100 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

    $82.00
    Part#: ROK-5M-100BET