Allegro Supplied Air Full Mask System provides low-pressure respiratory protection for up to two workers. Full mask systems includes a 3/4 Hp ambient air pump with carbon constructed vanes, two 50' hoses, two durable silicone respirator masks and two full facepiece. It is lightweight as well as easy portable and can be operated on pressure ranging from 2 - 12 psig. It includes a motor that requires 115 VAC voltage and 8.3A power. It can supply maximum pressure of 185 psig at 70 deg F and mask is resistant to hypoallergenic as well as chemical/ozone.