Replacement Filters for the Puricom PuROmax PC4 (4-Stage) Reverse Osmosis System
Puricom · 4-Stage Reverse Osmosis
Replacement Filters for the Puricom PuROmax PC4 (4-Stage) 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: Puricom PC4 · PuROmax PC4
✓ Standard 10" cartridges — guaranteed to fit
Puricom PuROmax PC4 (4-Stage) 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: Puricom sediment
2
Carbon block
coconut carbon block · 10" × 2.5"
IPW CBC-10-5 carbon block — $8.99
Replaces genuine OEM: Puricom carbon block
3
RO membrane
50 GPD thin-film composite
IPW TW-1812-50 — $32.99
Replaces genuine OEM: Puricom 50 GPD membrane
4
Inline post-carbon polish
coconut GAC inline · ¼" quick-connect
Hydronix ICF-10Q inline — $7.99
Replaces genuine OEM: Puricom T33 inline
When to replace
🪣 Sediment & carbon: every 6–12 months💧 RO membrane: every 2–3 years
✓ Guaranteed to fit your Puricom PuROmax PC4 (4-Stage) — 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.
