SAFE TO USE: SUNGATOR washing machine outlet box conforms to American standards; meets UPC and NSF requirements. The shut off valves are made of premium brass, which is safe for water distribution. EASY INSTALLATION: Complete installs faster and safer than traditional methods with SUNGATOR pushfit washing machine outlet box and ease of use reduces installation errors as pushfit plumbing fittings completely eliminates the need to solder, crimp, glue, thread or fabricate in any forms; Just push and lock the pipe to get the seamless performance.