Mercury Replacement Dust Skirt for Hercules Sealed Sander Floor Machines PVKISThe Mercury Hercules Replacement Dust Skirt is designed to improve dust control during wood floor sanding, creating a cleaner and healthier workspace. Built for sealed sanders, this durable dust skirt efficiently captures airborne debris, preventing dust from spreading and ensuring a precise sanding process. Compatible with both 17 and 20 Mercury Hercules Sealed Sanders, it enhances air quality while protecting your sander's motor from dust buildup.