The annual 4-filter replacement set for your 5-Stage Remineralization MyWaterClub countertop RO system — sediment, pre-carbon, post-carbon, and the 4-in-1 mineral stage, for the years you don’t replace the membrane.
Annual replacement set for the 5-Stage Remineralization system
This annual replacement set is designed for 5-Stage Remineralization MyWaterClub Countertop Reverse Osmosis systems. It includes the four filters that should be refreshed roughly every 12 months — sediment, pre-carbon, post-carbon, and the 4-in-1 mineral stage. The RO membrane is not included in the standard filter set, since the membrane typically lasts about twice as long as the carbon and mineral filters.
Time to replace the membrane too? Every second year, choose the complete mineral set with a new RO membrane instead (linked below).
What’s included (4 filters)
Stage 1 — Sediment
Quick-Connect 5 Micron Sediment
Traps dust, dirt, rust, and sediment. Protects downstream filters and extends the life of the system and membrane.
Stage 2 — Pre-Carbon
USA-Made T28 Coconut Carbon
Reduces chlorine and chemical contaminants, improves taste and odor, and helps protect the RO membrane.
Stage 3 — RO Membrane
Not included in the filter set
The membrane lasts ~24 months. Replace it every second year with the complete set (linked below), or add the pre-assembled option to include a fresh membrane.
Stage 4 — Post-Carbon
Quick-Connect T33 Coconut Carbon
Final carbon polishing that improves taste and odor after RO filtration, before the mineral stage.
Stage 5 — Mineral
4-in-1 Remineralization Cartridge
Restores minerals removed during RO and gently raises pH to roughly 7.5–8.0 for balanced taste. Four-media blend: tourmaline, bioceramic, Maifan stone, and alkaline mineral balls.
About the remineralization stage
RO filtration removes minerals along with contaminants, which can leave the water tasting flat. The 4-in-1 mineral cartridge adds soluble minerals back — such as calcium, magnesium, sodium, potassium, phosphorus, and zinc — and gently raises pH to approximately 7.5–8.0, restoring a balanced, rounder taste. We describe this stage in taste and mineral terms and don’t make health claims about mineralized water.
Two ways to buy: Filter Set or Pre-Assembled
Select one option at checkout. Note the key difference: the pre-assembled option also includes a fresh RO membrane; the filter-set option does not.
Option 1 — Filter Set Only
- 4 filters, no membrane (sediment, pre-carbon, post-carbon, mineral)
- Replacement time: 30–40 minutes
- Difficulty: Moderate
- Best value for your annual filter change — reuses your existing membrane, fittings, and housing
Option 2 — Pre-Assembled Assembly
- Fully assembled with new fittings, clips, a fresh RO membrane, and housing
- Swap the whole assembly in about 1 minute
- Reconnect just two tubes (kitchen diverter to assembly)
- Difficulty: Easy — effectively a complete refresh, membrane included
Because the pre-assembled option includes a membrane, it’s the simplest choice on the years you’re due for a membrane change anyway.
Why buy the annual set
- ✓The four filters your 5-stage mineral system needs each year — in one box
- ✓Best value annual refresh — skip paying for a membrane you don’t need yet
- ✓Includes a new 4-in-1 mineral stage — refreshes the remineralization / pH finish
- ✓Genuine MyWaterClub filters sized and tested for your system
- ✓Quick-connect fittings for a clean, tool-light swap
- ✓Pre-assembled option available if you’d like a fresh membrane included
- ✓USA-made carbon filters
Specifications
| Set type |
Annual 4-filter set, no membrane (filter-set option) |
| Fits |
5-Stage Remineralization MyWaterClub Countertop RO |
| Filters included |
Sediment 5µm · T28 carbon · T33 carbon · 4-in-1 mineral |
| RO membrane |
Not in filter set · included in pre-assembled option |
| Mineral stage output |
pH ~7.5–8.0 (taste/mineral) |
| Purchase options |
Filter Set, no membrane (30–40 min) or Pre-Assembled + membrane (~1 min) |
| Recommended interval |
~12 months (varies with water quality & usage) |
| Dimensions |
12 × 6 × 6 in |
| Weight |
4 lbs |
| Brand |
MyWaterClub |
| SKU |
4FILTERM |
Sample assembly images may show 4-, 5-, or 6-stage systems; actual configuration varies by the set selected.
For your system
5-Stage Remineralized System
The system this set is built for
View system →
Inline Shut-Off Timer
Auto-stops filling — no overflows
View timer →
Good to know
- A step-by-step filter replacement guide for 5-stage RO is included — look for the printable manual on this page.
- Annual rhythm: replace these four filters about every 12 months, and the RO membrane about every 24 months. Many customers buy this annual set one year and the complete set (with membrane) the next.
- TDS reading note: because the mineral stage adds minerals back, your TDS meter will read higher than it would after a plain RO system. That’s expected and does not mean the set is underperforming.
- If you’re due for a membrane this year, the pre-assembled option includes one — or grab the complete set linked above.
- The pre-assembled option is worth it if you’d rather not disassemble filters yourself — two tubes and you’re done.
Please note: Filter life and reduction performance depend on your water chemistry, pressure, and usage, so results vary from home to home. Replacement intervals are general guidance, not a guarantee. When in doubt, test your water or ask us and we’ll help you choose the right set.
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