- Upper Marlboro, Maryland, United States
- US $100.00
- Jan 29th
MSA Redundant Alarm/ Low Pressure Gauge Kit for MMR Air Masks Brand new in the box, stored in a climate controlled warehouse Description from MSA Flyer dated 1-2-11: Answering the requests of firefighters nationwide, the NFPAnow requires two low-pressure warning indications for SCBA to comply with NFPA-1981, 1997 Edition. When you open your Air Mask’s cylinder valve, the Redundant Alarm activates, displaying pressure readings through an analog gauge.