Camcos Adjustable Brass Water Pressure Regulator helps stop damage to RV/marine appliances, plumbing fixtures, and hoses caused by inconsistent or high water pressure. This regulator comes with a 45-psi factory preset, but it can be set to the desired pressure using the adjustment screw in the cap. Settings above 60-psi are not recommended. Constructed of lead-free brass this regulator is compliant with all federal and state level low lead laws. CSA Low Lead Content Certified to NSF/ANSI 372. Features standard garden hose threads for simple hookup. Camco makes quality products for RVing, boating, camping, towing, tailgating, and grilling that help you take your passion for the outdoors to the next level.