Features:
3-Layer Filtration, Powerful Purifying - Acmer smoke air purifier with Multi-layer filter element design can effectively improve the filtration efficiency and filter element life. A knob design to adjust the purify power gear to meet your needs.
Low Noise, No Worries - Unique shutters and air duct isolation design effectively reduce operating noise.
Timer Switch - AP220 has a timer switch function with a timer duration of 0-120 minutes, the machine will automatically shut down after the time is set.
Compatible with Various Laser Engraver - The standard 3-inch interface comes with an additional 4-inch interface, which is suitable for most machines.
Humanized Reminder - When the filter element capacity is saturated, the machine will sound a reminder to remind you to replace the filter element in time.