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PuROTwist PT4000 TFC 36 GPD

Reverse osmosis system

PuROTwist PT4000 TFC 36 GPD 4-Stage RO Replacement Filters

PuROTwist Reverse Osmosis Water Filter Systems offer the highest of quality and performance standards, high capacity output, automatic shut-off and the user friendly Twist Tap (Omnipure Q-Series) filters. To replace the filters simply twist the used filter off and twist the new filter on. No tools, no buckets, no mess. This is a 4 stage, point-of-use RO system that treats water at 36 gpd.

See the replacement schedule

Compatible parts

Everything that fits the PuROTwist PT4000 TFC 36 GPD

Omnipure Q5605 Q-Series 5-micron sediment filter, 2.5 x 12 inch
Omnipure
Omnipure Q5605 Sediment Filter 5 Micron 2.5" x 12"
(36)
$23.99$29.99
NSF 42 Certified
Omnipure Q5621 Q-Series 10-micron carbon block filter, 2.5 x 12 inch
Omnipure
Omnipure Q5621 Carbon Block Filter 10 Micron 2.5 " x 12"
(18)
$24.99$28.74
Reduces chlorine, taste and odor
NSF 42 Certified
Omnipure TQ56-36FC Q5672-36FC 36 GPD encapsulated reverse osmosis membrane with flow control
Omnipure
Omnipure Q5672-36FC RO membrane 36 GPD with Flow Control
(10)
$74.99$97.32
Thin Film Membrane (TFM)
Omnipure Q5633 Q-Series GAC T33 carbon filter cartridge, 2.5 x 12 inch, for pre- or post-RO filtration
Omnipure
Omnipure Q5633 Granular Carbon Filter GAC T33 2.5" x 12"
(31)
$24.99$31.24
NSF 42 Certified
Reduces chlorine, taste and odor
PuROTwist 4000 compatible reverse osmosis replacement filter kit without membrane
ESP Water
PuROTwist 4000 RO Filter Replacement Kit - Membrane Not Included
(5)
$73.97
PuROTwist 4000 compatible replacement filter kit with 50 GPD TQ56-50FC reverse osmosis membrane and O-rings
Free Shipping
ESP Water
PuROTwist 4000 RO Filter Replacement Kit with 36 GPD Membrane
(11)
$155.68
Omnipure H-118 large 1-inch replacement O-ring for Q-Series filter heads
Omnipure
Omnipure H-118 O-Ring Large 1" for Q-Series Head
(19)
$0.99$1.24
Omnipure H-011 small 3/8-inch replacement O-ring for Q-Series filter heads
Omnipure
Omnipure H-011 O-Ring Small 3/8" for Q-Series Head
(20)
$0.69$0.86
PuROTwist PTKIT-RO4 maintenance kit with reusable Q-Series housings and sanitizer packet for PT4000 RO systems
ESP Water
PuROTwist PT4000 RO Sanitizing Kit PTKIT-RO4
(10)
$52.95
ASV-2000W reverse osmosis automatic shutoff valve with 1/4-inch quick-connect fittings for PuROTwist systems
ESP Water
ASV-2000W RO Automatic Shut off Valve 1/4-Inch QC for PuROTwist
(7)
$15.99$19.99

Replacement filter info

Your replacement schedule

Each stage of the PuROTwist PT4000 TFC 36 GPD, the exact part that fits it, and when to change it.

  1. Stage 1: Sediment filter

    Part Q5605, Omnipure Q5605 Sediment Filter 5 Micron 2.5" x 12" $23.99

    Every 6–12 months

  2. Stage 2: Carbon block filter

    Part Q5621, Omnipure Q5621 Carbon Block Filter 10 Micron 2.5 " x 12" $24.99

    Every 6–12 months

  3. Stage 3: RO membrane

    Part TQ56-36FC, Omnipure Q5672-36FC RO membrane 36 GPD with Flow Control $74.99

    Every 2 years

  4. Stage 4: Carbon block filter

    Part Q5633, Omnipure Q5633 Granular Carbon Filter GAC T33 2.5" x 12" $24.99

    Every 6–12 months

  5. Kit: Filter kit, without membrane

    Part YS-PURO4T36, PuROTwist 4000 RO Filter Replacement Kit - Membrane Not Included $73.97

    Every filter except the membrane

  6. Kit: Filter kit, all stages

    Part YSM-PURO4T36, PuROTwist 4000 RO Filter Replacement Kit with 36 GPD Membrane $155.68

    Every filter and the membrane in one box

Manuals & instructions

Manuals and guides

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