it's a smoke test for the Cleanforce Mega 1000 model. Cleanforce is a US brand, and the company is based in Chino, California. This Mega 1000 model is designed for an extra-large room with SUPERIOR PURIFICATION CAPACITY! Its dual air inlet, double fan, and dual filter design enable its CADR value to reach 1000m3 / h (CFM=600ft3/m), which could be the highest CADR value in the market.
Based on its Infiltration modified activated carbon filter, the machine can absorb cigar smoke, cigarette wildfire smoke, cooking odor, pet odor, chemical odor, formaldehyde, benzene, TVOC, and other decoration pollutants in the air.
https://www.amazon.com/gp/product/B08LVBD1YB
www.cleanforceair.com