Question 1

How long can I keep these filter in storage

Accepted Answer

Not really sure -- we've had ours for a year (bought them at the time we bought the system) and so far so good.

Question 2

I am considering this unit for my 2nd home and expect to use sparingly-- is the filter replacement dependent on time elapsed or amount of water used?

Accepted Answer

Hi,
Thanks for your interest in our product.

Please note the lifespan of our products relies on two factors: time elapsed and amount of filtered water, when either of these two dimensions is reached, cartridge replacement is required.

If you have any other questions, please feel free to contact us.

Enjoy the rest of your day!

Kind Regards
Mia Lauren　
Customer Service Rep

Question 3

Am i correct in my assumption that this is not an nsf certified water filtration system?

Accepted Answer

They were going through the NSF testing process for a while, but now their website and the product description on Amazon states that it is an NSF 58 & 372 CERTIFIED water filtration system with NSF certified replacement filters.

Question 4

Will these filters work with the G2 system?

Accepted Answer

Hi Steven,

Thanks for your interest in our Waterdrop WD-G2-B Reverse Osmosis System.
We are sorry to tell you that those three filters for the G3 system can not work with the G2 system. 
The G2 system has two composite filters, which are CF filter and MRO filter. Both of them will be in stock in April.
Here is the purchase link of there two filters for your reference.
CF: http://www.amazon.com/dp/B082D1VZ4P?ref=myi_title_dp
MRO: http://www.amazon.com/dp/B082CZV16X?ref=myi_title_dp
If you have any questions, please feel free to give us a call between the hours of 8:00 AM-5: 00 PM (PST), Monday through Friday at 1-888-352-3558. We will try our best to help you out. Thank you very much.

Best Regards,
Mia Lauren

ASIN	B07WZDLNLY
Best Sellers Rank	343,818 in DIY & Tools ( See Top 100 in DIY & Tools ) 326 in Replacement Under-Sink Water Filters
Brand	Waterdrop
Customer Reviews	4.8 4.8 out of 5 stars (1,437)
EU Spare Part Availability Duration	1 Years
Included Components	2 CF filters, 1 CB filter
Installation Type	Under Sink
Item Type Name	undersink-water-filtration-systems
Item Weight	2.07 kg
Manufacturer	Waterdrop
Manufacturer Part Number	WD-G3-2CFCB
Material Type	Activated Carbon,Carbon
Model Name	WD-A1-B
Model Number	WD-G3-2CFCB
Other Special Features of the Product	Tankless
Power Source	Corded Electric
Purification Method	Activated Carbon, Carbon Block
Supported Water TDS Level Maximum (PPM)	500
UPC	840814161753
Unit Count	1.0 count
Upper Temperature Rating	100 Degrees Fahrenheit

Waterdrop WD-G3-W Replacement Filter 1-Year Combo, Pack of 2 WD-G3-N1CF Filters and 1 WD-G3-N3CB Filter

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