Halo Defender II Whole House System (H-DFR2) review
By Daryna Klochko · Published · Specs checked Oct 15, 2026 · 
Scores 8.75/10, tied for 8th of the 12 whole-house systems we track. No price is published, so it gets the minimum 1.5 of 2 on price. Halo also claims Chlorine, Chloramine, which are not in the listing.
A certified health claim: IAPMO lists it for Lead, Cysts, PFOA/PFOS, one of 3 among the 12 whole-house systems
You want a price up front: none is published, while 10 of the 12 whole-house systems show one
- Price
- Price not published
- Certified for
- Lead · Cysts · PFAS
- Flow
- 4.21 gpm
- Cartridge life
- 93,250 gal
- Cost per year
- Not stated
- Warranty
- Not stated
Certification
Listed by IAPMO under NSF/ANSI 53 for Lead, Cysts, PFOA/PFOS, checked Oct 15, 2026. Halo also claims 2 more substances that are not in the listing. Search the IAPMO listings
- Lead
- Cysts
- PFOA/PFOS
Halo also claims Chlorine, Chloramine: brand claims, not in a certifier listing.
The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 15, 2026. What a listing means and what it doesn't
Specs and sources
Checked Oct 15, 2026 · source under each valueFiltration
Cartridges and install
Buying
Warranty, returns and shipping
Replacement of a defective product (no term stated).
Warranty: Replacement of a defective product (no term stated). Returns: not stated by the brand. Shipping: not stated by the brand. Source: Halo data sheet, checked Oct 15, 2026.
Source: Halo data sheet, checked Oct 15, 2026.
Compared with similar whole-house systems
All 12 whole-house systems →| Model | Price | Certified for | Cost per year | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Pentair FloPlus Protect 20BB Whole House PFAS System | $258 | PFAS | $187 | 1 year | 9.5/10 | Check price → |
| 3M Aqua-Pure AP904 Whole House System | $424.71 | Chlorine | $325 | 25 years | 9.5/10 | See specs → |
| SpringWell Whole House Water Filter System (CF) | $1,160.25 | Brand claims only | $77 | Lifetime (limited) | 9.25/10 | Check price → |
| SpringWell Filter and Salt-Based Softener System | $2,231.25 | Brand claims only | $77 | Lifetime (limited) | 9.25/10 | Check price → |
| Halo Defender II Whole House System (H-DFR2)THIS MODEL | Price not published | Lead · Cysts +1 | — | Not stated | 8.75/10 |
