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Reverse osmosis system with white filter housings, black pump, storage tank and faucet

Reverse osmosis system

Watts ZRO-4 Zero Waste 4-Stage RO Replacement Filters

This 4 stage RO system use sediment and carbon block pre-filters to reduce sediment, chlorine and chlorine by-products before the membrane filters out impurities larger than .001 microns. The carbon GAC post filter treats for taste and odor.

See the replacement schedule

Compatible parts

Everything that fits the Watts ZRO-4 Zero Waste

Ready Water RW-SED2510050 5-micron sediment filter, direct replacement for 93023 and PX05-9 7/8
Top Seller
Ready Water
Filtro de sedimento Ready Water RW-SED2510050 5 micras 2.5" x 10"
(92)
$8.99
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
Filtro de bloque de carbón Omnipure OMB934-5m, 5 micras, 2,5" x 10"
(84)
$14.99
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 - 35 Reverse Osmosis Membrane 36 GPD, 200358 200358 - ESP Water
AXEON
Membrana de ósmosis inversa AXEON TF-1812-35 36 GPD, 200358
(3)
$43.49
AXEON TF-1812-25 25 GPD thin-film composite reverse osmosis membrane, part 200357
AXEON
Membrana de ósmosis inversa AXEON TF-1812-25 25 GPD, 200357
(20)
$37.49
Compuesto de película delgada (TFC)
Certificado NSF 58
Omnipure CL10ROT33-BB 5-micron inline GAC carbon filter with 1/4-inch female threads
Omnipure
Omnipure CL10ROT33 Filtro de carbón en línea GAC ​​5 Mic 2" x 10"
(64)
$12.99
Reduce el cloro, el sabor y el olor.
Certificado NSF 42
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Replacement filter info

Your replacement schedule

Each stage of the Watts ZRO-4 Zero Waste, the exact part that fits it, and when to change it.

  1. Stage 1: Sediment filter

    Part RW-SED2510050, Filtro de sedimento Ready Water RW-SED2510050 5 micras 2.5" x 10" $8.99

    Every 6–12 months

  2. Stage 2: Carbon block filter

    Part OMB934-5m, Filtro de bloque de carbón Omnipure OMB934-5m, 5 micras, 2,5" x 10" $14.99

    Every 6–12 months

  3. Stage 3: RO membrane

    Part 200358, Membrana de ósmosis inversa AXEON TF-1812-35 36 GPD, 200358 $43.49

    Every 2 years

  4. Alternative for stage 3: RO membrane

    Part 200357, Membrana de ósmosis inversa AXEON TF-1812-25 25 GPD, 200357 $37.49

    Every 2 years

  5. Stage 4: Post carbon filter

    Part CL10ROT33-BB, Omnipure CL10ROT33 Filtro de carbón en línea GAC ​​5 Mic 2" x 10" $12.99

    Every 6–12 months

Manuals & instructions

Manuals and guides

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