Whole House Filters
Carbon and sediment filtration at the main water line.
What to compare
- Housing size
- 10" or 20" long, 2.5" or 4.5" wide; bigger housings pass more flow and last longer.
- Micron rating
- Lower catches finer particles and clogs sooner; stage from coarse to fine.
- Media
- Sediment, carbon, or catalytic carbon for chloramine.
- Rated flow (gpm)
- Compare against the house's peak demand.
- Certification
- NSF/ANSI 42 or 53 for the specific claim, listed for that model.
Need the numbers for your water first? How to read a water test