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Nelsen Corporation Aqua Elite I

Reverse osmosis system

Nelsen Aqua Elite I Replacement Filters

The Aqua Elite I RO System by Nelsen Corporation features updated styling over the Aqua Classic with white filter housings and a white water storage tank. The system also 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 Elite I RO features a 5 micron sediment filter, a 5 micron carbon block pre-filters, an RO membrane of varying capacities depending on the system, and an optional additional stage of a 5 micron inline GAC (Granular Activated Carbon) filter. 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 Elite RO System.

Compatible parts

Everything that fits the Nelsen Corporation Aqua Elite I

Ready Water RW-SED2510050 5-micron sediment filter, direct replacement for 93023 and PX05-9 7/8
Ready Water
$8.99$12.99
Cumple con los requisitos de la FDA para contacto con alimentos y bebidas.
Omnipure OMB934-5m 5-micron carbon block filter for standard 10-inch water filter housings
Omnipure
$14.99$18.74
Reduce el cloro, el sabor y el olor.
Rendimiento certificado por NSF
Moldeado por compresión fabricado en Estados Unidos.
Elemento de bloque de carbono empotrable de 2,5"
AXEON TF - 1812 - 50 Reverse Osmosis Membrane 50 GPD 200359 200359 - ESP Water
AXEON
$44.49$53.64
Compuesto de película delgada (TFC)
AXEON TF-1812-25 25 GPD thin-film composite reverse osmosis membrane, part 200357
AXEON
$37.49$44.09
Compuesto de película delgada (TFC)
Certificado NSF 58
AXEON TF-1812-25 25 GPD thin-film composite reverse osmosis membrane, part 200357
Pentair
$48.99$58.07
Compuesto de película delgada (TFC)
Certificado NSF 58
Thin-film composite reverse osmosis membrane for compatible residential RO systems
Pentair
$58.99$68.51
Compuesto de película delgada (TFC)
Omnipure CL10ROT33-BB 5-micron inline GAC carbon filter with 1/4-inch female threads
Omnipure
$12.99$16.24
Reduce el cloro, el sabor y el olor.
Certificado NSF 42

Replacement filter info

Your replacement schedule

Each stage of the Nelsen Corporation Aqua Elite I, the exact part that fits it, and when to change it.

  1. Stage 1: Sediment filter

  2. Stage 2: Carbon block filter

  3. Stage 3: RO membrane

    Every 2 years

  4. Only some versions: Post carbon filter

    for use in AEI-TLC D models

Manuals & instructions

Manuals and guides

FAQ

Aqua Elite RO Frequently Asked Questions

How do I order replacement filters for my Aqua Elite drinking water filtration system?

Start by clicking on the photo of your Aqua Elite system above. From there, you can add the needed filters to your cart. Remember that the reverse osmosis (RO) membrane usually only needs to be replaced every 2 years, while the sediment and carbon filters are replaced every 6-12 months depending on water usage and source water quality.

Will these compatible filters work directly with my Aqua Elite RO filtration system?

Yes, the high-quality compatible filters are designed to fit your Aqua Elite RO system. If you're unsure about which filters to order, our customer support team is happy to answer any questions you might have. 877-377-9876 Mon-Friday, 8 am to 5 pm CT.

What contaminants will Aqua Elite-compatible filters remove?

The filters compatible with your Aqua Elite reverse osmosis filter system can remove common pollutants from water including fluoride, nitrates, lead, pesticides, sulfates, pharmaceuticals, arsenic and more. The carbon filter will also remove chloramines and chlorine.

Learn more about what contaminants can be removed with reverse osmosis filtration.

What is the Aqua Elite RO system and how does it work?
The Aqua Elite RO System uses multi-stage filtration—including sediment, carbon, and a reverse osmosis membrane—to remove up to 99% of contaminants. You can learn more about how reverse osmosis works here: How Reverse Osmosis Works
How often do I need to replace Aqua Elite RO filters?
Most Aqua Elite RO filters should be replaced every 6–12 months, and the RO membrane every 2–3 years. For guidance, see the replacement filter section: Replacement Water Filters Or explore RO membranes here: RO Membranes
Does the Aqua Elite RO remove minerals from drinking water?
Yes—Reverse Osmosis removes both contaminants and some naturally occurring minerals. Many systems include a polishing filter for enhanced taste. Learn more about RO water and minerals here: What RO Removes
Can I install the Aqua Elite RO system myself?
Yes! Most users can install the system under the sink with standard tools. For support, see installation guides and resources: RO Installation Guides
What maintenance is required for the Aqua Elite drinking water filtration system?
Maintenance includes replacing filters, sanitizing the system annually, and checking for leaks or pressure changes. ESP Water Products offers step-by-step RO maintenance help here: RO Maintenance Guide And replacement parts can be found here: Aqua Elite RO Parts & Accessories