The Ruskin BTR-250 heavy-duty isolation damper is ideally suited for system containment or decontamination applications commonly found in laboratories, medical facilities, clean rooms and federal buildings. Designed to provide bubble-tight airflow leakage performance in systems with up to 10 in. wg pressure, the BTR-250 meets the requirements of the bubble test as described in AMCA Standard 500-D.¬†¬†Every BTR-250 is leakage tested to 10 in. wg at the factory. The BTR-250 is… Read More