GRO-2550 50 GPD 4-Stage RO Replacement Filters

Pentair's Pentek four-stage reverse osmosis system uses standard, interchangeable filters. The polypropylene spun sediment pre-filter combined with the 10 micron carbon block filter help to reduce particles, chlorine taste, odor, and help extend the life of the 50 gallon per day (GPD) GRO Membrane. Find these compatible parts below along with maintenance items.

Replacement Filter Info

Sediment Filter (93023) - Replace every 6-12 months or as needed

Carbon Block Filter (OMB934-10M) – Replace every 6-12 months or as needed

RO Membrane TFC 50 GPD (4004424) – Replace every 24 months or as needed

Inline Carbon Filter (CL10ROT33-BB) – Replace every 6-12 months or as needed

Helpful Filter Information

Not all filters have the same replacement schedule. Replace the RO membrane filter every two years. Replace all other filters every 6-12 months. Help keep your system sanitary by never using filters longer than 12 months, except the RO membrane filter, regardless of how much water you use.

Manuals & Instructions

Pentair GRO-2550 Spec Sheet

Pentair GRO-2550 RO System Manual