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 CoreXchange™ 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 CoreXchange™ 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.