Replacement Filters for the Geekpure RO5 (5-Stage, 75 GPD) Reverse Osmosis System
Geekpure · 5-Stage Reverse Osmosis
Replacement Filters for the Geekpure RO5 (5-Stage, 75 GPD) Reverse Osmosis System
Every filter your system needs — stage by stage — using IPW house-brand cartridges that fit the standard 10" housings and cost a fraction of the OEM parts.
Also fits: Geekpure RO5 · Geekpure 5-stage
✓ Standard 10" cartridges — guaranteed to fit
Geekpure RO5 (5-Stage, 75 GPD) Replacement Filters
This system uses standard 10" cartridges and an 1812 membrane. Pick the exact part for each stage below.
Filters by stage
Replace each stage with the exact IPW part below.
1
Sediment pre-filter
5µm polypropylene · 10" × 2.5"
IPW 5M-SED-10×2.5 — $3.50
Replaces genuine OEM: Geekpure PP sediment (10" × 2.5")
2
GAC carbon
granular activated carbon · 10" × 2.5"
IPW UDF-10 GAC carbon — $7.99
Replaces genuine OEM: Geekpure granular carbon (10" × 2.5")
3
Carbon block
coconut carbon block · 10" × 2.5"
IPW CBC-10-5 carbon block — $8.99
Replaces genuine OEM: Geekpure carbon block (10" × 2.5")
4
RO membrane
75 GPD thin-film composite
TW-1812-75 — $36.99
Replaces genuine OEM: Geekpure 75 GPD RO membrane
5
Inline post-carbon polish
10" × 2" coconut GAC inline · ¼" NPT threaded
IPW AICRO inline — $8.00
Replaces genuine OEM: Geekpure post carbon
Push-in ¼" quick-connect ends instead of threads? Use PureT IL-10W-C-EZ.
When to replace
🪣 Sediment & carbon: every 6–12 months🥤 Inline post-filter: about every 12 months💧 RO membrane: every 2–3 years
✓ Fits the Geekpure RO5 (75 GPD) with 10" × 2.5" housings & 1812 membrane — not sure about your post-filter ends? Call (714) 541-6600.
Not sure this is your system? Use the Isopure Water Filter Finder → Match by system name, by the part number printed on your current filter, or by snapping a photo.
Geekpure RO5 filter FAQ
What filters does the Geekpure RO5 use?
Stage 1 is a PP sediment filter, stage 2 is granular carbon and stage 3 is a carbon block. All three are 10" × 2.5". Stage 4 is a 75 GPD membrane and stage 5 is an inline post carbon filter.
Does the Geekpure booster pump model use the same filters?
Yes. Geekpure sells its 75 GPD 5-stage system with and without a booster pump. The filter layout and the 75 GPD membrane are the same. The pump itself is not a filter.
What is the difference between the RO5 and RO6?
The RO6 adds a sixth alkaline stage after the post-filter. Stages 1 to 5 are the same. See the Geekpure RO6 filter page.
How often should I change the filters?
Change the sediment and carbon filters every 6 to 12 months, sooner on well water. Change the post-filter about once a year. The membrane usually lasts 2 to 3 years.
All replacement filters by system · Universal 5-stage RO · Geekpure RO6 · Bluonics 5-Stage RO
Compatibility reference only. Photos of complete systems shown on this page are provided to help you identify your unit and confirm that our filters fit. All brand names, model numbers, and product images are the property of their respective owners; Isopure Water (IPW Industries Inc.) is not affiliated with, sponsored by, or endorsed by these manufacturers. We sell compatible replacement filters and parts — not the branded systems pictured, unless a system is separately listed for sale on our store.
