Our complete Half Mask Systems offer portable, lightweight air sources for one, two, or three respirator users.  They include one, two or three comfortable half mask supplied air respirators, a 1/4 hp, 3/4 hp or 1-1/2 hp breathing air pump, and one, two or three 50 or 100 foot breathing air hose(s).

HALF MASK RESPIRATOR: • Durable silicone rubber • Hypoallergenic and chemical/Ozone resistant • Large diameter exhalation valve • Rubber double strap suspension • Down tube comes with a 90-degree elbow that allows it to be directed over the shoulder o OBAC quick-connect plug with wide diameter and minimal air restriction

PUMP: Type: Oil-less, rotary vane Vanes: Carbon construction Inlet Filter: 40.0 Micron bronze/steel (1/4 HP) 50 Micron felt material with metal grid inlet filter housing

Exhaust Filter: 0.3 Micron HEPA Pressure Gauge: 1½” (3.8 cm) face, steel housing (0-15 psi) (0-1.03 bar)

Working Pressure: 2-12 psi (0.14-0.83 bar) (15 psi max) (1.03 bar max)

Performance: 0-5 CFM (0-8.5 m3/hr) (1/4 HP) 0-10 CFM (0-16.99 m3/hr) (3/4 HP) 0-20 CFM (0-33.98 m3/hr) (1½ HP)

MOTOR: Type: ¼ HP, ¾ HP, or 1½ HP

UL Listed Volts: 115V/230V AC Single phase

Power Required: 5.5 A (1/4 HP), 8.3 A (3/4 HP), 16 A (1½ HP)

HOSE: • Polyvinyl chloride with reinforced braided polyester yarn • -20°F to 150°F (-28.8°C to 65.5°C) • Maximum pressure 185 psi @ 70°F (12.76 bar @ 21.1°C)