Replacement Filters for the Watts Premier RO-Pure (push-button, 1R-1Y-1B-1G) Reverse Osmosis System
Watts Premier · 4-Stage Reverse Osmosis
Replacement Filters for the Watts Premier RO-Pure (push-button, 1R-1Y-1B-1G) Reverse Osmosis System
Every filter your system needs — stage by stage — led by the IPW house-brand set that costs less than the OEM parts.
Also sold as: Watts RO-Pure · Watts Premier RO-Pure · RO-Pure · RO Pure · Zero Pure · ZeroPure · Premier Zero Pure · 1R-1Y-1B-1G · Watts push button · Watts Premier push button · 105311 · 105351 · 105331 · 105341
✓ Best value — replace everything at once
IPW Branded RO-Pure 4-Pack Set — best value
$89.99
Guaranteed to fit your Watts Premier RO-Pure (push-button, 1R-1Y-1B-1G).
🛒 Add the complete set to cartFilters by stage
Buy the whole set above, or replace stages individually below.
1
Sediment pre-filter (Red)
5µm sediment, RO-Pure quick-change
IPW105311 — RO-Pure sediment — $13.68
Genuine OEM alternative: Watts 105311 — RO-Pure sediment (OEM) — $22.75
2
Carbon pre-filter (Yellow)
1µm granular carbon, RO-Pure quick-change
Genuine OEM alternative: Watts 105351 — RO-Pure carbon pre-filter (OEM) — $33.08
3
RO membrane (Green)
50 GPD TFC, RO-Pure quick-change
IPW105331 — RO-Pure 50 GPD membrane — $49.99
Genuine OEM alternative: Watts 105331 — RO-Pure 50 GPD membrane (OEM) — $131.28
4
GAC carbon post-filter (Blue)
0.5µm GAC carbon polish, RO-Pure quick-change
IPW105341 — RO-Pure GAC carbon post — $22.96
Genuine OEM alternative: Watts 105341 — RO-Pure GAC carbon post (OEM) — $43.00
When to replace
🪣 Sediment & carbon: every 6–12 months💧 RO membrane: every 2–3 years
✓ Guaranteed to fit your Watts Premier RO-Pure (push-button, 1R-1Y-1B-1G) / Watts RO-Pure.
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.
