NEOPERL’s Careguard is the combination of hygienic features for faucet attachments with built-in Agion anti-microbial protection, laminar stream (nonaerated) 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. Certified to ANSI/NSF61and ASME A112.18.1M. Anti-microbial faucet attachment