The ST53SD™ is a short duration variant of the ST53™ and provides a belt or harness carry option with 1 or 2 cylinder option (7 & 15 minute durations). It is also designed to be used in conjunction with Avon Protection's STPAPR or APR filtration systems.
The system incorporates the world's smallest, compact, chemically hardended positive pressure demand valve. It is specifically designed with stealth operations in mind by utilizing none-reflective black components. An electonic communications port enables voice projection and radio communications.
The ST53SD™ is designed to support military and special forces for short term tactical operations. This system offers an ideal quick response and fast action solution when full respiratory protection is required in response to a CBRN threat or scenario.
Vision Correction Assembly
Voice Projection Unit w/Microphone Assembly