Faucet Attachment with Anti-Microbial Protection Careguard™ combines hygienic features for faucet attachments with built-in AgION™ anti-microbial protection, laminar stream (non-aerated) and screenless construction (no wire-mesh screen prone to lime buildup). Careguard™ also conserves water (1.5 gpm max.) and is available in regular and tamper-proof housings. Careguard is certified to ANSI/NSF61 and ASME A112.18.1M.