Model 8901RFK body spray features a ABS plastic head, stay-open squeeze lever valve, eight-foot hose and installation kit. Kit includes clamp hook-up, tee clips and fitting for retrofit installation on most combination shower and eyewash units. Supply: 1/2" IPS. In order to comply with state codes the use of a vacuum breaker is required with all hand held body spray units (Haws offers model SP212) Per ANSI, "Hand held drench hoses provide support for emergency shower and eyewash units, but shall not replace them."