Tsunami Breathing Air Systems Manufacturer: Tsunami Part Number: 21999-0265, 21999-0980 Description: The Tsunami Breathing Air Panel is the optimal solution when Grade D Breathing Air is required. The complete system features industry-leading Tsunami 3-stage filtration along with continuous carbon monoxide monitoring. 3-stage Tsunami filtration system with automatic float drains. Easy-to-read digital carbon monoxide alarm. CO Monitor calibration is made easy with Autocal®. Meets OSHA Grade D breathing air quality specifications. Part Number 21999-0265 21999-0980 Max CFM 50 50 Port Size (NPT) 1/2" Inlet 1/4" outlet 1/2" Inlet 1/4" outlet Dimensions 16" x 18" x 5" 13" x 12 x 5" GFG Accessories Tsunami Calibration Kit for Co Monitor GFG 7735-101 CO Monitor for Tsunami Breathing Air Panel Tsunami 110/120v Wall Pack Adaptor Replacement Tsunami Replacement CO Sensor - RAM 744