Whole-house filter · checked 16 Oct 2026
Culligan Whole House Water Filter System, 1 in. Heavy Duty
Model WH-HD200-C · replacement parts CW5-BBS, RFC-BBSA
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 |
|---|---|---|---|---|---|
| Particulates | “When used with a compatible whole home filter (sold separately), the Culligan WH-HD200-C Whole Home Heavy Duty 1” Water Filtration System reduces sediment” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Scale | “Heavy Duty 1” Water Filtration System reduces sediment, rust, scale, coarse sand, and more.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often Culligan 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 |
|---|---|---|---|
| CW5-BBS 5-micron sediment cartridge (one cartridge option) | 4 months or 16,000 gallons“The cartridge life is up to 4 months or 16,000 gallons.” | 3 | brand sourcechecked 16 Oct 2026 |
| RFC-BBSA radial-flow carbon cartridge (alternative cartridge option)The brand gives more than one figure for this part. | 6 months or 10,000 gallons“The cartridge life is up to 6 months or 10,000 gallons.”3 months or 10,000 gallons“Filter Life: 10,000 gallons or 3 months” | 2 or 4 | brand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026 |
Certification listings found
No IAPMO R&T listing matched this model when we searched on 16 Oct 2026.
Check it yourself
NSF’s and WQA’s terms don’t allow automated lookups, so these links open their public listings for this model:
- NSF listing search: WH-HD200-C
- NSF listing search: CW5-BBS
- NSF listing search: WH-HD200
- WQA listing search: WH-HD200-C
- WQA listing search: CW5-BBS
- WQA listing search: WH-HD200
- IAPMO R&T listing directory
What the brand says about certification
- “Premium quality: Tested and certified by WQA for durability, this filter housing features a stainless steel cap and a valve engineered for reliability and to maintain a tight seal” source checked 16 Oct 2026
- “Culligan Whole House Water Filter System, 1" Heavy Duty, Housing Only | IAPMO Certified | Shut-Off Lever” source checked 16 Oct 2026