SimPure Under Sink Water Filter System, 6-Stage 100 GPD Reverse Osmosis Filtration System Alkaline Water Purifier NSF Certified with Faucet & Tank
SimPure Under Sink Water Filter System, 6-Stage 100 GPD Reverse Osmosis Filtration System Alkaline Water Purifier NSF Certified with Faucet & Tank
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SimPure Under Sink Water Filter System, 6-Stage 100 GPD Reverse Osmosis Filtration System Alkaline Water Purifier NSF Certified with Faucet & Tank

148 ratings

Key item features

  • Advanced Filtration: This 6-stage Reverse Osmosis system, including an Alkaline Remineralization filter, reduces up to 99% of over 1,000 impurities like sediment, rust, heavy metals, and total dissolved solids.
  • High Capacity: The system produces up to 75 gallons of treated water daily and includes a 3.2-gallon food-grade pressurized storage tank for an immediate and plentiful supply.
  • Emergency Preparedness: The built-in storage tank and daily treatment capacity provide a practical solution for reserving potable water during emergencies and disruptions to municipal water systems.
  • Easy Installation: All essential components for simple under-sink installation are included, such as a housing wrench, feedwater adapter, drain saddle, tubing, and spare fittings, with a comprehensive video guide available.
  • Cost-Efficient Operation: The optimized filter design ensures durable performance with a minimal daily operating expense of about 10 cents, offering a budget-friendly and sustainable choice.
  • Complete Components: The package includes the machine body with RO housing and 6th stage, three pre-filter housings, a pre-filter pack, a premium RO membrane, and a 3.2-gallon pressure tank.
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Customer ratings & reviews

4.3 out of 5 stars
stars
148 ratings69 reviews
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Reviews summary

Pros

  • : The unit provides reliable filtration at a modest price.
  • : Can be done in various locations.
  • : The alkaline filter yields a clean, mineral flavor.
  • : Setup steps are understandable but some require video guidance.

Cons

  • : Fittings often do not seal and require reseating or tape.
  • : The fittings' threads do not match and cause leaks.
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Showing 1-3 of 69 reviews

Apr 20, 2025
Reviewer name: Alya
Item details
Color: RO-6 Stage-100GDP
Sold and shipped byRavenna Global LLC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Its more than you can expect! Has everything on it in that price fountain filters whatever you need all in one order. I'm impressed. Water taste is good foundation looks so good after assembly 👍🏻👌🏻

Helpful?3K6MHUQPDFCI553475027
Apr 4, 2025
Reviewer name: Jennifer
Item details
Color: RO-6 Stage-100GDP
Sold and shipped byRavenna Global LLC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good Reverse Osmosis system for the value!

RO system was straightforward to install and easily fit in the designated space under the sink. Need to ensure that each of the hoses are pushed into the designated color fitting all the way so they get a good seal.

Helpful?3K6MHUQPDFCI553475027
Jul 22, 2026
Reviewer name: Oleksandr
Item details
Color: RO-6 Stage-100GDP
Sold and shipped byMembrane Solutions Corp
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

One of the canisters had a deep scratch right where it meets the gasket—a factory defect. I tightened it a bit more, and everything was fine. The flush valve was missing its retaining clips; it would have been good if they'd included a couple of spares in case you lost one during installation... There was plenty of tubing length—more than enough. The water storage tank is made entirely of plastic (both the inner and outer parts). The drain tube clamp was a bit wide and barely fit under the nut on the sink trap. Overall, I'm satisfied; the water is better than what you buy in the store. I installed it myself; the hardest part turned out to be drilling the hole for the faucet in the stainless steel sink. The cup wrench is a bit too big; it keeps slipping off.

Helpful?3K6MHUQPDFCI553475027
Current price is $129.99
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Sold and shipped by Membrane Solutions CorpPro Seller
4.48936170212766 out of 5 stars
4.5 stars out of 5, based on 188 seller reviews(4.5)
Extended holiday returns
Free Holiday returns until Jan 31