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: Watts 105311 — RO-Pure sediment — $22.75
2
Carbon pre-filter (Yellow)
1µm granular carbon, RO-Pure quick-change
Genuine OEM: Watts 105351 — RO-Pure carbon pre-filter — $33.08
3
RO membrane (Green)
50 GPD TFC, RO-Pure quick-change
IPW105331 — RO-Pure 50 GPD membrane — $49.99
Genuine OEM: Watts 105331 — RO-Pure 50 GPD membrane — $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: Watts 105341 — RO-Pure GAC carbon post — $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.
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.
