The Smart Shield Max is our most advanced under-sink water filter, designed to deliver powerful filtration for today’s tap water contaminants without the cost or hassle of a whole-home system. Powered by our patented CoreXchangeTM dual-layer technology, it combines advanced filtration performance with a simple DIY installation that connects directly to your cold water line. Enjoy cleaner, better-tasting water straight from your existing faucet with long-lasting performance you can trust.
Helps reduce chlorine, fluoride, lead, PFAS, pharmaceuticals, microplastics, bacteria, viruses, cysts, and many other contaminants found in drinking water
Powered by patented CoreXchangeTM dual-layer technology
Layer 1: Carbon-impregnated nano-fiber outer media helps reduce bacteria, viruses, cysts, VOCs, and microplastics
Layer 2: Carbon fiber block helps reduce chlorine, lead, PFAS, pesticides, pharmaceuticals, and many other common drinking water contaminants
Independently tested to NSF/ANSI Standards 42, 53, P231, and 401
750-gallon filter capacity, providing up to 12 months of filtration for most households
Simple DIY installation connects directly to your existing cold water line—no plumber required
Fits neatly under your sink while delivering filtered water through your existing faucet
Ideal for everyday drinking, cooking, coffee, ice, and more
Includes one Smart Shield Max filter
Please note: Smart Shield Max replacement filters are not compatible with the original Smart Shield system.