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Watts 315

Reverse osmosis system

Watts 315 3-Stage RO Replacement Filters

This is a traditional, 3-stage reverse osmosis system for undersink use. Be sure to replace the carbon pre-filters at least once annually and the RO membrane every 2-3 years. These parts as well as the replacement tank and maintenance kits can be found below.

See the replacement schedule

Compatible parts

Everything that fits the Watts 315

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"
(83)
$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 - 50 Reverse Osmosis Membrane 50 GPD 200359 200359 - ESP Water
AXEON
Membrana de ósmosis inversa AXEON TF-1812-50, 50 GPD 200359
(10)
$44.49
Compuesto de película delgada (TFC)

Replacement filter info

Your replacement schedule

Each stage of the Watts 315, the exact part that fits it, and when to change it.

  1. Stage 1: 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

  2. Stage 2: RO membrane

    Part 200359, Membrana de ósmosis inversa AXEON TF-1812-50, 50 GPD 200359 $44.49

    Every 2 years

  3. Stage 3: Post carbon filter

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

    Every 6–12 months

Manuals & instructions

Manuals and guides

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