Replacement Filters for the LiquaGen 5-Stage RO (100 GPD) Reverse Osmosis System
LiquaGen · 5-Stage Reverse Osmosis
Replacement Filters for the LiquaGen 5-Stage RO (100 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: LiquaGen · LiquaGen 5-stage
✓ Standard 10" cartridges — guaranteed to fit
LiquaGen 5-Stage RO (100 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: LiquaGen sediment
2
GAC carbon
granular activated carbon · 10" × 2.5"
IPW UDF-10 GAC carbon — $7.99
Replaces genuine OEM: LiquaGen GAC
3
Carbon block
coconut carbon block · 10" × 2.5"
IPW CBC-10-5 carbon block — $8.99
Replaces genuine OEM: LiquaGen carbon block
4
RO membrane
100 GPD thin-film composite
TW-1812-100 — $39.99
Replaces genuine OEM: LiquaGen 100 GPD membrane
5
Inline post-carbon polish
coconut GAC inline · ¼" quick-connect
Hydronix ICF-10Q inline — $7.99
Replaces genuine OEM: LiquaGen inline
When to replace
🪣 Sediment & carbon: every 6–12 months💧 RO membrane: every 2–3 years
✓ Guaranteed to fit your LiquaGen 5-Stage RO (100 GPD) — standard 10" cartridges & 1812 membrane.
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.
