PENTAIR 2550 GRO 50 Reverse Osmosis Replacement Filter Set Yearly NEW! Excalubur Acid Washed.
Reverse Osmosis Filter Set contains 1x 5-micron carbon block filter and 1x 5-micron sediment filter.
Acid Washed Coconut Shell Carbon Block Cartridges are highly effective at removing chlorine, chloramines, tastes, odours and many volatile chemicals from potable drinking water supplies.
Filters should be changed yearly on city-treated water under normal use and when connected to a SOFT water supply.
Filters should be changed every 6 months on private wells or when reverse osmosis is connected to a HARD water supply.
The sediment filter is the first one on the line and the carbon filter should be installed in the second housing.
If your RO has 2 filters on the bottom and a membrane (any type) across the top.