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Multi-stage filtration

Reverse-osmosis replacement filters

RO systems may use sediment filters, carbon filters, a membrane and a post-filter on different schedules. Match the complete system—not just the cartridge dimensions.

Record the system and every stageConfirm the model, number of stages and membrane capacity. A 50-GPD membrane should not be treated as interchangeable with a 75-GPD membrane.

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Researched replacement matches

Browse 14 replacement sets associated with named reverse-osmosis systems using manufacturer information, then confirm current compatibility.

APEC Water
Product illustration of APEC Water FILTER-MAX-ES50 replacement water filter
Product illustration — actual product may vary.

APEC Essence complete 5-stage replacement set

FILTER-MAX-ES50

Listed for: ROES-50

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

APEC Water
Product illustration of APEC Water FILTER-MAX90 replacement water filter
Product illustration — actual product may vary.

APEC Ultimate 90-GPD complete 5-stage replacement set

FILTER-MAX90

Listed for: RO-90, RO-PERM

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

iSpring
Product illustration of iSpring F15-75 replacement water filter
Product illustration — actual product may vary.

iSpring 5-stage RO replacement supply pack

F15-75

Listed for: RCC7, RCC7P, RCW7, RCC7-BLK, RCC7P-BLK

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

iSpring
Product illustration of iSpring F9K replacement water filter
Product illustration — actual product may vary.

iSpring 6-stage alkaline RO one-year replacement pack

F9K

Listed for: RCC7AK, RCC7P-AK, RCC7PAK

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

iSpring
Product illustration of iSpring F28K75 replacement water filter
Product illustration — actual product may vary.

iSpring 6-stage alkaline RO three-year replacement set

F28K75

Listed for: RCC7AK, RCC7P-AK, RCC7PAK

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

iSpring
Product illustration of iSpring F10KU replacement water filter
Product illustration — actual product may vary.

iSpring 7-stage alkaline UV RO one-year replacement set

F10KU

Listed for: RCC7AK-UV, RCC1UP-AK

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Home Master
Product illustration of Home Master ISetTMA8 replacement water filter
Product illustration — actual product may vary.

Home Master Artesian and HydroGardener replacement set

ISetTMA8

Listed for: TMA, TMAFC, TMAFC-ERP, TMAFC-ERP-L, TMA-HG

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Brondell
Product illustration of Brondell RF-20 replacement water filter
Product illustration — actual product may vary.

Brondell Circle carbon and pre-filter replacement set

RF-20

Listed for: RC100

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Brondell
Product illustration of Brondell RF-40 replacement water filter
Product illustration — actual product may vary.

Brondell Circle reverse-osmosis membrane replacement

RF-40

Listed for: RC100

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Waterdrop
Product illustration of Waterdrop G3-N1CF replacement water filter
Product illustration — actual product may vary.

Waterdrop G3-series composite pre-filter

G3-N1CF

Listed for: G3P400, WD-G3P400, G3P600, WD-G3P600, G3P800, WD-G3P800

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

We may earn a commission when you buy through this Waterdrop link. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Waterdrop
Product illustration of Waterdrop G3-N3CB / WD-G3-N3CB replacement water filter
Product illustration — actual product may vary.

Waterdrop G3-series activated-carbon replacement filter

G3-N3CB / WD-G3-N3CB

Listed for: G3-W, G3P600, WD-G3P600, G3P800, WD-G3P800

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

We may earn a commission when you buy through this Waterdrop link. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Waterdrop
Product illustration of Waterdrop WD-G3P600-RO replacement water filter
Product illustration — actual product may vary.

Waterdrop G3P600 reverse-osmosis membrane filter

WD-G3P600-RO

Listed for: G3P600, WD-G3P600

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

We may earn a commission when you buy through this Waterdrop link. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Express Water
Product illustration of Express Water FLTSETS6C6G6I3M502 replacement water filter
Product illustration — actual product may vary.

Express Water standard reverse-osmosis replacement supply set

FLTSETS6C6G6I3M502

Listed for: RO5DX, RO10DX

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Express Water
Product illustration of Express Water FLTSETALK105Q replacement water filter
Product illustration — actual product may vary.

Express Water alkaline reverse-osmosis replacement supply set

FLTSETALK105Q

Listed for: ROALK5D

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As an Amazon Associate I earn from qualifying purchases. Compatibility is not guaranteed; confirm the complete model and part number before ordering.

Browse reverse-osmosis systems by model

Open a dedicated model page for researched replacement sets, stages, and fit checks.

APEC Water RO-90 →APEC Water RO-PERM →APEC Water ROES-50 →Brondell RC100 →Express Water RO10DX →Express Water RO5DX →Express Water ROALK5D →Home Master TMA →Home Master TMA-HG →Home Master TMAFC →Home Master TMAFC-ERP →Home Master TMAFC-ERP-L →iSpring RCC1UP-AK →iSpring RCC7 →iSpring RCC7-BLK →iSpring RCC7AK →iSpring RCC7AK-UV →iSpring RCC7P →iSpring RCC7P-AK →iSpring RCC7P-BLK →iSpring RCC7PAK →iSpring RCW7 →Waterdrop G3-W →Waterdrop G3P400 →Waterdrop G3P600 →Waterdrop G3P800 →Waterdrop WD-G3P400 →Waterdrop WD-G3P600 →Waterdrop WD-G3P800 →

RO stages do not all expire together

Pre-filters commonly protect the membrane and may be replaced more often. Membranes and post-filters can follow different schedules. Use the manual for the exact system and account for local water quality and usage.