Under-sink reverse osmosis · checked 16 Oct 2026

Waterdrop G2 Reverse Osmosis System for Home

Name: Waterdrop G2 Reverse Osmosis System for Home
Brand: Waterdrop

Model WD-G2-W · replacement parts WD-G2CF, WD-G2MRO

Lead:not claimedPFAS:not claimed

Each claim, checked

What the brand says, what a certification listing shows for this model, and where each fact comes from. We read listings; we do not test products.

Certified (listing checked)The certifier’s public listing shows this claim for this model.
Brand says certifiedThe brand says certified; IAPMO’s listing does not show it. NSF can be checked by hand.
Brand claim onlyThe brand claims it without citing a certification.

Contaminant	Brand claim	Standard	Certifier	Confirmed?	Source, date checked
Total dissolved solids (TDS)	“TDS Reduction: Cleaner, healthier water.” brand source	–	–	Brand claim — no certification cited	brand pagechecked 16 Oct 2026

How often Waterdrop says to replace each part. Real filter life depends on how much water you use and what is in it.

Part	Brand says replace every	Changes a year	Source, date checked
WD-G2CF composite filter	12 months or 1,100 gallons“G2CF Filter Provides up to 12 months or 1,100 gallons of clean water.”	1	brand sourcechecked 16 Oct 2026
WD-G2MRO reverse osmosis filter	24 months or 2,200 gallons“G2MRO Filter Provides up to 24 months or 2,200 gallons of clean water.”	1 every 2 years	brand sourcechecked 16 Oct 2026

IAPMO · NSF/ANSI/CAN 372 · file WC-13977
Qingdao Ecopure Filter Co. Ltd lists WD-G2-W
Materials only (no reduction claim)
Open the listing · checked 16 Oct 2026

NSF’s and WQA’s terms don’t allow automated lookups, so these links open their public listings for this model:

“All components in contact with water are made from low-lead materials and are certified to NSF/ANSI 372 standards.” source checked 16 Oct 2026
“Certification | NSF/ANSI 372” source checked 16 Oct 2026