Helps protect RV and boat appliances, plumbing fixtures, and hoses from high-pressure city water Attaches easily with 3/4" garden hose threads Durable lead-free brass construction that is drinking water safe Reduces water pressure to a safe and consistent 40-50 PSI of pressure Compliant with all federal and state level low lead laws. CSA low lead content certified to NSF/ANSI 372 Color: Brass; Model#: 40051