Culligan ISH-100 Inline Shower Filter
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- Beauty
Inline filter with a WHR-140 cartridge rated up to 6 months or 10,000 gallons, listed as certified by IAPMO R&T against ANSI Standard 177.
📋 Certified rating
Replacement WHR-140 cartridges are sold separately by Culligan and other brands.
Culligan's ISH-100 is an inline filter that uses the WHR-140 cartridge, rated for up to 6 months or 10,000 gallons. The listing says the cartridge reduces sulfur odor, chlorine and scale, and that the unit is tested and certified by IAPMO R&T against ANSI Standard 177. On Amazon US it was $39.99 on November 3, 2026.
Pros
- Third-party certification named on the listing
- Cartridge life given in gallons
- Includes Teflon tape and a change reminder sticker
Cons
- Plain white plastic look
- No vitamin C or infusion stage
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