Turn off the water supply to the drinking water system. This will be either a saddle valve on plumbing system or a shut off valve on the plumbing.
Turn off the water with the valve at the top of the pressure tank.
Open a faucet to relieve any pressure in the plumbing lines.
Turn filters ½ turn counter clockwise and then pull down.
After removing plastic tops, fill new filters with tap water.
Insert new filters; press them up and turn ½ turn clockwise.
*Note: filters should be secure, if not repeat step 6.
Slowly turn water back on at inlet supply line and at storage tank.
Check for any leaks around filters.
*Note: We suggest emptying the tank after the first refill because the water may be discolored with activated carbon dust.