AO Smith Reverse Osmosis Water Filter Replacement Cartridges - Carbon Replacement Filters for AOS-HERO RO Filtration Systems - Reduce Chlorine & Other Contaminants from Drinking Water - AOS-HERO-S1S3




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Features
- Clean, Healthy Water - Reduce up to 99% of 90 contaminants including chlorine, chloramine, lead, pesticides, PFOA/PFOS, cysts, microplastics, and more from water in your house.
- Advanced Filtration - Replacement filter cartridges indepently tested to NSF standards 42, 53, 58, and 401.
- Use only certified, genuine AO Smith replacement filter cartridge for continued contaminant removal and system performance.
- Stage 1 and Stage 3 carbon replacement filter cartridges for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace filters every six months or 365 gallons whichever comes first.
Material: Carbon Fiber
Product Dimensions: 3.4"D x 6.6"W x 12.9"H
Item Weight: 16 Ounces
External Testing Certification: NSF
Product Benefits: Reduces Chlorine
Material: Carbon Fiber
Product Dimensions: 3.4"D x 6.6"W x 12.9"H
Item Weight: 16 Ounces
External Testing Certification: NSF
Product Benefits: Reduces Chlorine
Brand: A. O. Smith
Item Weight: 1 pounds
Manufacturer: A. O. Smith
Item model number: AOS-HERO-S1S3
Date First Available: August 30, 2023
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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