This is where you should read the most common questions you might have. It’s cover things like return policy, product warranty info, shipping and returns, etc. Further more questions? Leave us a message.


What’s your return policy?

Return any of our products--no questions asked--within 30 days of purchase. We are following the amazon.com standard policy.


Do you ship oversea?

We are selling it on amazon.com, it's not shipping out of US. But if you insist to buy it, contact with us, it is manageable.


Do you have customer service?

Of course! Our friendly and knowledgeable customer services reps are available to answer your questions 24/7/365.


Does the installation easily? Do I have to call professional to intall this system?

In most cases, they installed the system all by themself with this video on youtube.
But you may need to have the faucet hole drilled by professional, especially when dealing with granite or other specific materials that require a special type of drill bit.


Regarding the led filter life meter; what method is used to make the rating? is it: time, flow resistance, water volume?

Including Working time of booster pump, passage of natural time, flush times and other necessary projects will be taken into account.


Is this a 5 stage osmosis?

It is a 4-stage RO filtration system. To be honest, 5-stage is redundant for most people and most place.
If your source water is something like tap water or rain water, our system, the PG-400AZ will be a nice choose for you.


Why does this system have no water tank?

This system use 400g RO membrane, the water flow is 35.95oz per minute. Easily you can fill a glass full in 10s. So there is no necessary to place a tank to store some pure water.
Also our tankless system have "auto flush" feature to solve the "TDS creep" problem.


Can this unit also hook up to a refrigerator?

Definitely.


How much and where can you buy the replacement RO filter, what is the part number?

Purity guru supply a Replacement Filters Set, this set including the 1st, 2nd and 4th stage filters.
The 3nd stage RO filter will be supplied soon.
1. The first filter is PP cotton 10 inch, 120g.
2. The second filter is CTO 10 inch.
3. The third filter is RO filter 400g, 3012.
4. The fourth filter is T33 10 inch.
All four filters are easy to be bought.


How long do the filters last?

This system has built-in monitoring and digital panel which monitoring and displaying lifespan of all 4 filters. The system will alert and display an icon in the panel when it's need replacement.
The lifespan of filters are based on the amount of purification. Here are some tips for you reference:
Step-1--PP cotton for 3-6 months.
Step-2--CTO for 6-12 months.
Step-3--RO membrane for 18-30 months.
Step-4--T33 for 3-6 months.


Is this system made in America?

It's all made in China. If you have any hesitate about Chinese products, please don't buy this RO system.


How much room does it take up?

This system dimension is 18.5"w x 6.5"d x 17.3"h. ( 47cm x 16.5cm x 44cm )


Is there an option to add a re-mineralization filter?

It's surely can. But the related parts is not standard configuration.


Is the power supply that comes with this unit compatible with 110 ac outlets?

Yes, it is compatible with 110.