The replacement filter set for the PJD 4000 Reverse Osmosis System.

Filter set includes:
(1) 5 Micron Sediment Cartridge Filter
(1) 10 Micron Carbon Block Cartridge Filter
(1) 10" Inline GAC Cartridge Filter (1/4" Female with 2-3/8" fittings and 2-1/4" Fittings)

Set should be changed once per year.

Membrane is not included in this set, you change membrane every 3 years