water filter · TDS / pH meters
VARIFY Extra Batteries Included
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
TDS / pH metersVARIFYAmazon Associates
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 2026-10-25).
- 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
- Item Weight
- 2.11 ounces
- Manufacturer
- Varify
- Item model number
- TDS-4-V1
- Package Dimensions
- 7.48 x 1.97 x 0.83 inches
- Date First Available
- August 5, 2025
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