Question: How to keep the airflow vent on a fan clean from obstruction?
Options:
Purchase a can of concentrated air and carefully place the nozzle just short of the vent, spray until dust is removed.
Purchase a can of concentrated air and place the nozzle against the vent, spray until dust is removed.
Answer: Purchase a can of concentrated air and carefully place the nozzle just short of the vent, spray until dust is removed.