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Chlorine is added to municipal water to kill bacteria — but at the tap it causes bad taste, odor, and reacts with organic matter to form disinfection byproducts (DBPs) like trihalomethanes (THMs), which are classified as possible carcinogens. The filters below are NSF 42 certified at minimum for chlorine reduction, with top picks also carrying NSF 53 for broader contaminant removal.
NSF 42 certifies chlorine taste and odor reduction — every filter on this list carries it. NSF 53 adds health-effect contaminants: PFAS, lead, VOCs, and chloramine byproducts. If chlorine taste is your only concern, NSF 42 is sufficient. If you also want PFAS or lead removal, choose a filter with NSF 53.
- Best whole house: SpringWell CF1 — NSF 42 & 53 · removes chlorine at every tap · 9 GPM
- Best whole house for iron: iSpring WGB32BM — 3-stage · 15 GPM · removes chlorine + iron + manganese
- Best under-sink: Aquasana Claryum 3-Stage — NSF 42, 53, 401 · no tank · 15x flow
- Best pitcher: Clearly Filtered — NSF 42, 53, 244 · also removes PFAS and lead
The SpringWell CF1 is the top-rated whole house filter for municipal water with chlorine and chloramine problems. Its catalytic carbon media is specifically effective against chloramine — harder to remove than chlorine and increasingly used by utilities as a primary disinfectant. NSF 42 and 53 certifications cover chlorine reduction and health-effect contaminants including PFAS. At 9 GPM it handles 1-3 bathroom homes without pressure drop. Lifetime warranty on tanks.
- NSF 42 + 53 dual certified
- Removes chloramine (not just chlorine)
- Whole house — every tap protected
- Lifetime warranty on tanks
- 6-month satisfaction guarantee
- Affiliate link pending approval
- Limited iron removal
- 9 GPM — not for large homes
The iSpring WGB32BM is the best choice when chlorine removal needs to be combined with iron and manganese reduction — a common combination in well water and some municipal supplies. Its 3-stage system includes a 5-micron sediment pre-filter, a CTO carbon block for chlorine and taste, and a dedicated iron/manganese stage. At 15 GPM it’s the highest flow rate on this list — suitable for larger homes and farms. Note: NSF-certified components but not system-level certification.
- Highest flow rate — 15 GPM
- Removes chlorine + iron + manganese
- Lowest annual cost (Mid tier)
- 3-stage dedicated filtration
- NSF certified components, not system
- No PFAS removal
- Not effective for iron above 3 ppm
The Aquasana Claryum 3-Stage is the best under-sink option for chlorine removal with a broader certification stack. Three NSF certifications — 42 (chlorine taste), 53 (health contaminants including lead and PFAS), and 401 (pharmaceuticals, hormones, pesticides) — make it one of the most comprehensively certified under-sink carbon filters available. No storage tank means instant full-pressure flow at 15x standard rates. Best for households already on a whole house filter who want an extra layer at the kitchen tap.
- 3 NSF certifications (42, 53, 401)
- No tank — instant 15x flow
- Removes PFAS, lead, pharmaceuticals
- No water waste
- Under-sink only — not portable
- Does not remove fluoride
- Requires installation
Full comparison — chlorine filters 2026
| Model | Chlorine | Chloramine | PFAS | NSF | Type | Annual cost | Rating | Buy |
|---|---|---|---|---|---|---|---|---|
| SpringWell CF1Best whole house · 9 GPM | ✓ Yes | ✓ Yes | ✓ Yes | 42, 53 | Whole house | Premium | ⭐ 4.8 | |
| iSpring WGB32BMBest for iron · 15 GPM | ✓ Yes | ✗ Limited | ✗ No | Components | Whole house | Mid | ⭐ 4.5 | |
| Aquasana Claryum 3-StageBest under-sink · no tank | ✓ Yes | ✓ Yes | ✓ Yes | 42, 53, 401 | Under-sink | Mid | ⭐ 4.6 |
How to choose a chlorine filter
Whole house filters remove chlorine at entry — protecting every tap, shower, and appliance. Point-of-use filters (under-sink, pitcher) protect only at that specific outlet. If chlorine smell in the shower bothers you, a whole house filter is the only solution. If you only care about drinking water, under-sink is simpler and cheaper.
Many utilities now use chloramine (chlorine + ammonia) instead of chlorine — it’s harder to remove and requires catalytic carbon media specifically. Standard activated carbon reduces chlorine but is much less effective against chloramine. SpringWell CF1 uses catalytic carbon and is rated for both. Check your utility’s water quality report to know which disinfectant they use.
If your water has iron staining, choose iSpring WGB32BM — it handles chlorine and iron simultaneously. If PFAS is also a concern, choose SpringWell CF1 (NSF 53) or Aquasana Claryum (NSF 53 + 401). A filter that only carries NSF 42 removes chlorine taste but leaves PFAS and lead untouched.
iSpring WGB32BM at 15 GPM handles large homes and farms. SpringWell CF1 at 9 GPM covers 1-3 bathrooms comfortably. For a family of 4 in a standard home, 9 GPM is generally sufficient. If you have a large home with 4+ bathrooms or frequent simultaneous water use, opt for the 15 GPM iSpring.
Frequently asked questions
Affiliate disclosure: CleanWaterAdviser participates in the Amazon Associates Program and direct affiliate programs with Aquasana (via Rakuten Advertising), SpringWell, and others. We earn a small commission when you purchase through our links, at no additional cost to you. Commissions do not influence our ratings or editorial recommendations.