Step 1
Step 2
Step 3
Step 4
Step 1. Close shut off valves before (inlet) and after (outlet) filter head. Depressurize filter.
Step 2. Grasp head and cartridge securely, and turn used cartridge slowly to the left. If water line has not
been properly depressurized, a small discharge of water may occur. Gently pull cartridge
straight out and discard.
Step 3. A
lign tabs of new cartridge with head and insert new cartridge into head. Turn cartridge to the right
until the filter stops.
Step 4. Place the inlet shutoff valves in regular working position. Due to air and carbon fines water
may initially run cloudy but will clear. Flush system in accordance with Performance Data Sheet.
3
3M
™
Water Filtration Products
Replacement Cartridge Change Instructions
CAUTION:
The disposable filter cartridge must be replaced every six months or sooner if there is a decrease in water
pressure. Always have spare cartridges on hand.
