Replacement Filters for the NU Aqua Platinum 6-Stage Alkaline (100 GPD) Reverse Osmosis System
NU Aqua · 6-Stage Reverse Osmosis
Replacement Filters for the NU Aqua Platinum 6-Stage Alkaline (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: NU Aqua alkaline · NU Aqua 6-stage
✓ Standard 10" cartridges — guaranteed to fit
NU Aqua Platinum 6-Stage Alkaline (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: NU Aqua WU-PLAT-SET-ALK
2
GAC carbon
granular activated carbon · 10" × 2.5"
IPW UDF-10 GAC carbon — $7.99
Replaces genuine OEM: NU Aqua WU-PLAT-SET-ALK
3
Carbon block
coconut carbon block · 10" × 2.5"
IPW CBC-10-5 carbon block — $8.99
Replaces genuine OEM: NU Aqua WU-PLAT-SET-ALK
4
RO membrane
100 GPD thin-film composite
TW-1812-100 — $39.99
Replaces genuine OEM: NU Aqua WU-PLAT-SET-ALK
5
Inline post-carbon polish
coconut GAC inline · ¼" quick-connect
Hydronix ICF-10Q inline — $7.99
Replaces genuine OEM: NU Aqua WU-PLAT-SET-ALK
6
Alkaline / remineralization
calcite remineralization inline · ¼" QC
Omnipure K2548 remineralization — $15.19
Replaces genuine OEM: NU Aqua WU-PLAT-SET-ALK
When to replace
🪣 Sediment & carbon: every 6–12 months💧 RO membrane: every 2–3 years
✓ Guaranteed to fit your NU Aqua Platinum 6-Stage Alkaline (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.
