program was developed by the Homeowners Association of the Hawaiian Islands. It is an automated vacuum cleaner that detects when the HVAC system begins operating. This prevents the need to manually run the vacuum cleaner. It has a stainless steel hopper that holds up to 10 gallons of material. It has a powerful suction and is simple to install and operate.
https://www.nbzhenfei.com/product/auxiliary-machine-series/hal-vacuum-autoloader.html