The Parker jackhammer hose spray kit can be used as part of an OSHA-compliant wet method hose system for silica dust suppression. The U.S. Occupational Health and Safety Administration OSHA has created a new standard to address the problem of silica dust control associated with pneumatic jackhammer and breaker operation. The mandated compliance date of the new silica rule for the construction industry is September 23, 2017. The kit includes the hardware and attachment components to install Parker Twinhammer hose onto many models and generations of traditional jackhammers: – Jumper hose – Thread tape – Hose couplings/connectors – Straps – Shims – Water valve – Water nozzle – Installation instructions # NOTE: Twinhammer Hose Assembly not included/ordered separately.