★★★★★ Serving 60,000+ customers with 6,200+ five star reviews.
FILTER FINDER

What system do you have?

Brand
Select your brand...
Model
Select your model...

Watts 25, 5, 5 SV Deluxe, PUR-TEK

Reverse osmosis system

Watts 25, ULTRA 5, 5 SV Deluxe, PUR-TEK RO Replacement Filters

This 5 stage RO system uses sediment, GAC and carbon block pre-filters to reduce sediment, chlorine and chlorine by-products before the membrane filters out impurities larger than .001 microns. The GAC carbon block post filters treats for taste and odor.

See the replacement schedule

Compatible parts

Everything that fits the Watts 25, 5, 5 SV Deluxe, PUR-TEK

Ready Water RW-SED2510050 5-micron sediment filter, direct replacement for 93023 and PX05-9 7/8
Ready Water
Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10"
(89)
$8.99$12.99
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"
(83)
$14.99$18.74
Reduces chlorine, taste and odor
NSF Certified performance
USA made compression molded
2.5" Drop-in carbon block element
Omnipure OCB934RO T33 granular activated carbon filter, 2.5 x 10 inch
Omnipure
Omnipure OCB934RO T33 GAC Granular Carbon Filter 2.5" x 10"
(26)
$17.99$22.49
Reduces chlorine, taste and odor
NSF 42 Certified
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$44.09
Thin Film Composite (TFC)
NSF 58 Certified
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"
(62)
$12.99$16.24
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$19.99
Reduces chlorine, taste and odor
NSF 42 Certified
Select an option

Replacement filter info

Your replacement schedule

Each stage of the Watts 25, 5, 5 SV Deluxe, PUR-TEK, 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: Carbon block filter

    Part OCB934RO T33, Omnipure OCB934RO T33 GAC Granular Carbon Filter 2.5" x 10" $17.99

    Every 6–12 months

  4. Stage 4: RO membrane

    Part 200357, AXEON TF-1812-25 Reverse Osmosis Membrane 25 GPD, 200357 $37.49

    Every 2 years

  5. Stage 5: Post carbon filter

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

    Every 6–12 months

  6. Alternative for stage 5: Post carbon filter

    Part K2533-BB, Omnipure K2533 GAC T33 Granular Carbon Inline Filter 2" x 10" $12.99

    Every 6–12 months

Manuals & instructions

Manuals and guides

Focused on What Matters

Team of Trained and
Experienced Specialists
Live US-Based
Support Team
Top Rated
Service
Free Fast Shipping
On Orders $99+