Yamaha presents 3 selections — with a flush bag, muffs, or hose-port connector and says all 3 approaches perform Similarly properly. Bag and Muffs: Motor really should be vertical, run no more than 800-900 rpm in neutral for quarter-hour with the prop removed. Improved sound quality: Filth or overseas particles https://www.linkedin.com/posts/anhometech_anhome-airpod-cleaner-kit-cleaning-tool-3-activity-7180579811667374080-EjnJ?utm_source=share&utm_medium=member_desktop