water filter · Faucet-mount filter systems
Waterdrop CTF-04 Alkaline Water Filter for Sink Faucet
Quoted from the Amazon listing — confirm NSF/ANSI claim text on the live page before you buy. WaterVetted does not run lab tests.
Specs sourced from manufacturer listings · Certified vs claims labeled · WaterVetted does not run lab tests
Faucet-mount filter systemsWaterdropAmazon Associates
Install class
water filter
Category
Faucet-mount filter systems
Tracked listing
Before you buy
What to verify on the live listing
- Exact model number and any NSF/ANSI claim text naming the contaminant you care about (42 taste/odor, 53 health claims such as lead, 58 for RO, 401 for named emerging compounds).
- Current price, stock, and cartridge replacement interval — our recorded price is a dated snapshot (as of 2026-10-29).
- We do not republish Amazon listing bullets or buyer reviews here. Open the retailer page for the current claim language and owner feedback. View current Amazon listing.
From the listing
Recorded details
- Material
- Stainless Steel
- Set Name
- Alkaline Upgrade-1 Filter
- Brand Name
- Waterdrop
- Unit Count
- 1 Count
- Manufacturer
- Waterdrop
- Model Number
- WD-CTF-04
- Material Type
- Stainless Steel
- Item Highlight
- Reduces 99% Chlorine, NSF/ANSI 42 Certified 5-Stage Stainless Steel Countertop Water Filter System, 8000 Gallons, 1 Filter
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