PUR PLUS Faucet Mount System, Horizontal (PFM400H) review
By Daryna Klochko · Published · Specs checked Oct 14, 2026 · 
Scores 9/10, tied for 5th of the 6 faucet filters we track. At $40 it is the most expensive of the 5 faucet filters with a published price, against a category median of $32.49. IAPMO and NSF lists it for Chlorine, Lead, VOCs, Total PFAS, Microplastics, one of 5 faucet filters out of 6 with a certifier listing for a health claim. On Amazon, 254 of the 289 reviews that mention leakage are negative.
Reliability comes first: 254 of 289 Amazon reviews about leakage are negative
- Price
- $40
- Certified for
- Lead · VOCs · PFAS +4
- Flow
- 0.52 gpm
- Cartridge life
- 100 gal
- Cost per year
- $52
- Warranty
- Not stated
Certification
Listed by IAPMO and NSF under NSF/ANSI 42 · 53 · 401 for Chlorine, Lead, VOCs, Total PFAS, Microplastics, checked Oct 14, 2026. Search the IAPMO listings
- Chlorine
- Lead
- VOCs
- Total PFAS
- Microplastics
The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 14, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 14, 2026 · source under each valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
Not stated on the Amazon listing.
Warranty: Not stated on the Amazon listing. Returns: Set by the retailer. Shipping: not stated by the brand. Source: pur.com, checked Oct 14, 2026.
Source: pur.com, checked Oct 14, 2026.
Compared with similar faucet filters
All 6 faucet filters →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Culligan Faucet Mount Filter CULFMWH | $27.49 | PFAS · Microplastics +1 | $40 | 2 years (limited) | 9.5/10 | Check price → |
| Brita Elite Advanced Faucet System | $32.49 | Lead · VOCs +3 | $54 | 1 year (limited) | 9.5/10 | Check price → |
| Brita Elite Faucet System | $32.49 | Lead · VOCs +3 | $54 | 1 year (limited) | 9.25/10 | Check price → |
| iSpring DF2-CHR Faucet Water Filter | $35.99 | Brand claims only | $30 | 1 year | 9/10 | Check price → |
| PUR PLUS Faucet Mount System, Horizontal (PFM400H)THIS MODEL | $40 | Lead · VOCs +5 | $52 | Not stated | 9/10 |
What owners say
Checked Oct 14, 2026254 of 289 Amazon reviews about leakage are negative. In our score this is 1.5 of 2 points. How we score
- Reliability518 mentions343 positive175 negative
- Installation294 mentions258 positive36 negative
- Leakage289 mentions35 positive254 negative
- Durability244 mentions42 positive202 negative
- Water taste243 mentions215 positive28 negative
Store ratings change over time; the date shows when we checked.
