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4-stage RO system with 2 vertical filters

Reverse osmosis system

4-Stage RO System with 2 Vertical Filters Replacement Filters

See the replacement schedule

Compatible parts

Everything that fits the Standard RO 4-Stage with 2 Vertical Filters

Ready Water RW-SED2510050 5-micron sediment filter, direct replacement for 93023 and PX05-9 7/8
Top Seller
Ready Water
Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10"
(92)
$8.99
Meets FDA requirements for food and beverage contact
Omnipure OMB934-5m 5-micron carbon block filter for standard 10-inch water filter housings
Omnipure
Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10"
(84)
$14.99
Reduces chlorine, taste and odor
NSF Certified performance
USA made compression molded
2.5" Drop-in carbon block element
AXEON TF - 1812 - 50 Reverse Osmosis Membrane 50 GPD 200359 200359 - ESP Water
AXEON
AXEON TF-1812-50 Reverse Osmosis Membrane 50 GPD 200359
(10)
$44.49
Thin Film Composite (TFC)
AXEON TF-1812-25 25 GPD thin-film composite reverse osmosis membrane, part 200357
AXEON
AXEON TF-1812-25 Reverse Osmosis Membrane 25 GPD, 200357
(20)
$37.49
Thin Film Composite (TFC)
NSF 58 Certified
AXEON TF - 1812 - 35 Reverse Osmosis Membrane 36 GPD, 200358 200358 - ESP Water
AXEON
AXEON TF-1812-35 Reverse Osmosis Membrane 36 GPD, 200358
(3)
$43.49
AXEON TF-1812-25 25 GPD thin-film composite reverse osmosis membrane, part 200357
AXEON
AXEON 200360 TFC-1812-75 Reverse Osmosis Membrane 75 GPD
(9)
$48.99
Thin Film Composite (TFC)
NSF 58 Certified
Thin-film composite reverse osmosis membrane for compatible residential RO systems
AXEON
AXEON 200361 TF-1812-100 Reverse Osmosis Membrane 100 GPD
(2)
$58.99
Thin Film Composite (TFC)
Omnipure CL10ROT33-BB 5-micron inline GAC carbon filter with 1/4-inch female threads
Omnipure
Omnipure CL10ROT33 Inline Carbon Filter GAC 5 Mic 2" x 10"
(64)
$12.99
Reduces chlorine, taste and odor
NSF 42 Certified
Select an option
Omnipure K2533 inline GAC T33 carbon filter, 2 x 10 inch
Omnipure
Omnipure K2533 GAC T33 Granular Carbon Inline Filter 2" x 10"
(56)
$15.99
Reduces chlorine, taste and odor
NSF 42 Certified
Select an option

Replacement filter info

Your replacement schedule

Each stage of the Standard RO 4-Stage with 2 Vertical Filters, the exact part that fits it, and when to change it.

  1. Stage 1: Sediment filter

    Part RW-SED2510050, Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10" $8.99

    Every 6–12 months

  2. Stage 2: Carbon block filter

    Part OMB934-5m, Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10" $14.99

    Every 6–12 months

  3. Stage 3: RO membrane

    Every 2 years

  4. Stage 4: Post carbon filter

    Part CL10ROT33-BB, Omnipure CL10ROT33 Inline Carbon Filter GAC 5 Mic 2" x 10" $12.99

    Every 6–12 months

  5. Alternative for stage 4: Post carbon filter

    Part K2533-JJ, Omnipure K2533 GAC T33 Granular Carbon Inline Filter 2" x 10" $15.99

    Every 6–12 months

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