NEOPERL Careguard faucet attachments are the perfect combination of hygienic features with built-in Agion antimicrobial protection, a laminar stream (non-aerated) and screenless construction (no wire-mesh screen prone to lime buildup), the company notes. Careguard faucet attachments also conserve water and are available in regular and tamper-proof housings. Certified to ANSI/NSF61-372 and ASME A112.18.1M.