Reverse Osmosis Systems

Aqua Classic II RO Compatible Replacement Filters

Featuring traditional design with blue filter housings and a blue steel tank, the Aqua Classic II RO System by Nelsen Corp includes Reverse Osmosis/Activated Carbon purification assembly, 3.2 gallon steel tank, a long reach non air-gap faucet, automatic shut-off, and an installation parts kit. The Aqua Classic II can be either a 4 stage or 5 stage system that features a 5 micron sediment filter, 2 5 micron carbon block pre-filters, an RO membrane of varying capacities, and in systems with an additional stage, a 5 micron inline GAC (Granular Activated Carbon) post filter. The Aqua Classic II also comes with an additional stage of pre-carbon filtration. There is additional stage available with optional ECF (Extended Contact Carbon Adsorption Filter) providing additional water treatment. Please note: Chlorinated Water and Carbon pre-filtration is required when used with chlorinated water. The parts below are compatible with your Aqua Classic RO System.

Replacement Filter Info

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

Carbon Block Filter (OMB934-5M) – Replace every 6-12 months or as needed

RO Membrane TFC 50 GPD (See below for options) – Replace every 24 months or as needed

Optional: for use in ACII-TLC D models - (CL10ROT33-BB) – Replace Every 6-12 Months

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