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💧 Refresh your water, refresh your life — smart, simple, SimPure.
The SimPure Q3-600 CF Filter Replacement Cartridge is a carbon fiber filter designed exclusively for the SimPure Q3-600 Reverse Osmosis System. It offers a 6-12 month lifespan depending on water quality and usage, features a tool-free installation for quick replacement, and includes an intelligent indicator light to signal when a change is needed. Certified by NSF and supported by 17 years of SimPure expertise, this cartridge ensures consistently purified water with minimal effort.


















| ASIN | B0C6XXD31R |
| Best Sellers Rank | #35,996 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #249 in Replacement Under-Sink Water Filters |
| Brand | SimPure |
| Brand Name | SimPure |
| Customer Reviews | 4.6 out of 5 stars 113 Reviews |
| EU Spare Part Availability Duration | 1 Years |
| External Testing Certification | NSF |
| Item Dimensions D x W x H | 3.3"D x 3.3"W x 11"H |
| Item Type Name | Filter Replacement Cartridge |
| Item Weight | 1.74 Pounds |
| Manufacturer | SimPure |
| Manufacturer Part Number | Q3-RO |
| Material | Carbon Fiber |
| Material Type | Carbon Fiber |
| Model Number | Q3-RO |
| Number of Items | 1 |
| Product Benefits | Reduces PFAS, Reduces PFNA, Reduces PFOA, Reduces PFOS, Reduces TDS |
| Product Dimensions | 3.3"D x 3.3"W x 11"H |
| Set Name | SimPure Q3-600 Series |
| Unit Count | 1.0 Count |
J**N
SimPure Q3-600 RO Filter Replacement Cartridge
perfect replacement cartridge for my Q3-600 filter replacement. no leaks. water flows fine. a bit pricey but they do not have to be changed that often - still cheaper then bottled water. water tastes great
A**N
filters water
it's a water filter. pretty basic. it filters the water
A**Y
Great Support
Great Item. Quick response from customer service. Will buy again.
A**R
For Q3-600 unit only
Fits the Q3-600 unit perfectly. Easy installation.
R**Y
Yep
Quick and easy removal and installation great thing love it the product
K**.
exactly what u need
this is what your unit calls for. i must say it only took us 3 months to burn through this 40 filter… yikes. rethinking the ro system itself
A**R
Chlorine taste after some time
If your water is at 500ppm like mine, it's probably best to change both filters after 6 months. If the water starts to taste like chlorine, CF filter needs to be replaced. If the water starts to taste salty, the RO filter needs to be replaced.
D**.
Great little under sink RO system!
I liked it's size and the fact that the system is quiet. Being RO, I know that I'm getting good pure water.
Trustpilot
2 weeks ago
4 days ago