The water based, biodegradable, cleaner and corrosion inhibitor package offered by ZOK 27 gas turbine compressor and gas path cleaner allows the unique ability to start a washed and protected engine on demand, without needing to rinse before use.Corrosion inhibition performance and duration are dependant on environmental conditions. Corrosion inhibition effectiveness can be restored with a simple engine wash (with no demineralised water rinse).General Services Specification: DU32149Pratt & Whitney Canada Specification: PWC11-003DUS Military Specification: MIL-PRF-85704C DEF STAN - British Spec#: 79-18Pratt & Whitney PN/Spec#: PWC11-003DRolls Royce PN/Spec #: MSRR 9914