Question 1

Where is the independent testing/third party on these filters? This company has a history of being deceptive about their filters.

Accepted Answer

It’s March of 2022 I just spoke to “Mia” who is still fielding calls and then sending generic responses (it removes taste and odor!) via email with her name in them. 
Waterdrop filter reps have yet to substantively reply to my finite request for specifics of any/all products removed from water through (their carbon + flouride filters) and at what rate (%) of reduction. 
So too no responses were received asking for their NSF ANSI attainment levels. 
Based on a lack of any results in receiving their transparency thus far ...imho the lack of forthrightness negates my justifying a purchase of their gravity water system and/filters for purposes of water purification.

Question 2

So where is the lab test rating?  Where can I find the lab test rating?

Accepted Answer

I contacted the company to ask if they could send me a copy of the filtration quality metrics and third-party verification. This was their reply:

“Dear [removed], 
Thanks for your reply. 
Sorry to tell you that we don't have the datasheet you need, please rest assured that our company offers quality products at a lower price without compromising quality. The filter materials in these are in good quality.

Best Regards, 
Mia Lauren, 
Customer Service Rep”

Question 3

I have a propur Big, it has 7" white ceramic filters.  How would I install the flouride filter that comes with these black filters?

Accepted Answer

Install the black filter on the top of gravity water filter firstly, then install the flouride filter.

Question 4

Would running one fluoride and one regular black charcoal filter be sufficient in my 2.25 Waterdrop System?

Accepted Answer

Hi,
Thanks for your interest in our filter product.
Please note that we recommend using 2 fluoride filter and 2 black filter in the system to ensure performance, thank you.
If you have contacted us via email but received no reply, please check the Spam/Junk Folder first. Thank you.

If you have any other inquiries, please feel free to contact us.
1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri).

Kind Regards
Mia Lauren　
Customer Service Rep

ASIN	B0BLNSYNW3
Best Sellers Rank	#31,372 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #70 in Under-Sink & Countertop Filtration
Brand	Waterdrop
Brand Name	Waterdrop
Capacity	2.25 gallons
Container Type	Box
Customer Reviews	4.4 out of 5 stars 759 Reviews
Filter Life Cycle	3 years
Included Components	Gravity Water Filter System1, Water Filter Replacement2, User Manual*1
Installation Type	Countertop Gravity-fed Water Filter System
Item Dimensions L x W x H	9.45"L x 9.45"W x 15.75"H
Item Highlight	Reduces Lead and Up to 98% of Chlorine, with 2 Black Carbon Filters and Metal Spigot for Home, Travel, 2.25G
Item Type Name	Waterdrop Gravity-fed Water Filter System
Item Weight	9.3 pounds
Manufacturer	Waterdrop
Material	Stainless Steel
Material Type	Stainless Steel
Model Name	WD-TK-A
Model Number	WD-TK-A
Number of Items	1
Number of Packs	1
Other Special Features of the Product	Countertop Gravity-fed Water Filter System
Part Number	WD-TK-A
Power Source	Gravity-fed
Product Dimensions	9.45"L x 9.45"W x 15.75"H
Purification Method	Gravity-fed Water Filter System
Special Feature	Countertop Gravity-fed Water Filter System
Unit Count	1 Count
Upper Temperature Rating	37 °C
Warranty Description	within 1 year of purchase

Waterdrop TK-A Gravity Water Filter System, NSF/ANSI 42&372 Certified

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