ASTBERG DUST COLLECTOR BLOWER EXHAUST PORTABLE INLINE DUCT VENTILATION BLOWER FAN ASHT300 12" 3200m3/h efficiency "name": "Does it have medical-grade

"name": "Does it have medical-grade filtration

which makes it great for refreshing the air in large spaces

Mode: Mixed Air

They take dirty air from the room

Diameter: 98mm

ASTBERG DUST COLLECTOR BLOWER EXHAUST PORTABLE INLINE DUCT VENTILATION BLOWER FAN ASHT300 12" 3200m3/h efficiency "name": "Does it have medical-gradeAstberg ASHT 300 Blower Ventilation Hose Fan, 12 Inches, 3200m3 h High Velocity Portable Ventilator, Low Noise Extractor Fan Blower with 2 year warranty ISO, CE, RoHS Certified European Standards Brand: Astberg Features: Speed 2900 rpm Maximum S. P 200Pa Maximum Flow Value 3200CMH Portable Low Maintenance No belts or pulleys required 2 Year Warranty according to European standard Voltage 220 50 (AC Technology) Power (W) 320 Speed 2900 RPM Noise 65(dB)