Austin Air HealthMate Filter FR400 GX-3R Sample Draw Pump Workers get no sensory warning

Workers get no sensory warning that oxygen levels are falling

Micro-USB charge port

Plastic Axial Blower

Water resistant

Austin Air HealthMate Filter FR400 GX-3R Sample Draw Pump Workers get no sensory warningAustin Air HealthMate Filter protects against everyday indoor pollutants. This standard size (14. 5" high) replacement filter works with the HealthMate Machine and the HealthMate Plus. When ordering your replacement filter, please ensure you have selected the correct size and type, before confirming your order. Recommended for: Allergies, Asthma, Odors, Gases and Chemicals, Mold, Indoor Air Pollutants Key Features: Medical Grade HEPA effectively