Waterdrop · Whole-house
Waterdrop WHF3T-PG whole-house: what it removes and what it costs
Model: WD-WHF3T-PG 3-stage whole house (PP sediment + KDF/carbon + carbon block, 20in)
The Waterdrop WHF3T-PG whole-house has no certifier listing for any of the contaminants we track. Waterdrop also claims chlorine from lab tests that are not certification. For 2 people drinking and cooking with it, replacement filters cost about $119 a year.
0
certified reductions we track
0.1¢
filters per gallon at rated life
Price checked 2026-10-23. We may earn a commission.
What the Waterdrop WHF3T-PG whole-house removes
"Certified" means a certifier (NSF, WQA, IAPMO or CSA) lists this exact product for that reduction claim; the listing is linked. "Brand test only" means Waterdrop cites a lab report but no certifier lists the claim. See certified vs. tested.
| Contaminant | Status | Evidence |
|---|---|---|
| Chlorine | Brand test only | Unnamed third-party laboratory: "Chlorine (97.7% initial), odor, sediment, rust, sand" |
Not verified, either way (no certification or brand claim): PFAS, Lead, Chloramine, Fluoride, Arsenic, Nitrate, Chromium 6, Mercury, Microplastics, Cysts, VOCs, TDS, Bacteria and viruses, Iron, Copper, Uranium, 1,4-dioxane.
What it costs to run
Yearly cost = replacements per year × filter price, for each filter it uses; a filter is replaced at its gallon rating or its month limit, whichever comes first. Water use: all indoor water (58.6 gallons per person a day).
| Household | Gallons a year | Filters a year | Total a year | Per gallon |
|---|---|---|---|---|
| 1 person | 21,389 | $119 | $119 | 0.6¢ |
| 2 people | 42,778 | $119 | $119 | 0.3¢ |
| 4 people | 85,556 | $119 | $119 | 0.1¢ |
Replacement filters
| Filter | Rated life (gallons) | Rated life (months) | Price |
|---|---|---|---|
| WD-WF20PG replacement set (WF20P + WF20K + WF20C) | 100,000 Source noteEach filter 100,000 gal waterdropfilter.com | 12 Source note'up to 12 months' waterdropfilter.com | $119.04 Source notePrice on brand page; store product data tagged 'out-of-stock' on 2026-10-23 waterdropfilter.com |
Specs
- Type
- Whole-house
- Price
- $370
Source note
List $369.99; $269.99 with code WD3TPG ($100 off) seen 2026-10-23. waterdropfilter.com
- Installation
- Plumber recommended
- Flow rate
- 15 gal/min
Source note
Flow rate 15 GPM; each of 3 filters rated 100,000 gal. 40-100F. waterdropfilter.com
- Needs power
- No
Where it ranks
Compare the Waterdrop WHF3T-PG whole-house
Updates about the Waterdrop WHF3T-PG whole-house
- October 23, 2026 · 15 of 17 whole-house filters we track have no certified health claim
Common questions
What does the Waterdrop WHF3T-PG whole-house remove?
The Waterdrop WHF3T-PG whole-house has no certifier listing for any of the contaminants we track. Waterdrop also claims chlorine from lab tests that are not certification. For 2 people drinking and cooking with it, replacement filters cost about $119 a year.
Does the Waterdrop WHF3T-PG whole-house remove PFAS?
It has no certifier listing or brand claim for PFAS reduction.
How much does the Waterdrop WHF3T-PG whole-house cost to run?
About $119 a year for 2 people ($119 for 1, $119 for 4), counting replacement filters, for all indoor water (58.6 gallons per person a day).
Data checked 2026-10-23. 102 filters tracked.