Product Information: 5 micron dust bag, one piece DUST COLLECTOR REPLACEMENT BAG COMPATIBILITY: Compatible with the top of the line dust collection filter bags for most popular power tool dust collection systems for Grizzly, Shop Fox, Delta and other woodworking tool dust collectors. Not only does it fit our exclusive wall-mounted dust collector, but it is also the right size and dimensions for other popular brands of dust collection systems HIGH QUALITY: Our dust collector filter bag is made of felt material, which is abrasion-resistant, unbreakable and able to withstand dry heat applications and daily wear and tear. Function of the filter bag: It is designed to control and capture up to 99% of the fine dust particles generated by the use of sanding, table saws and other woodworking equipment, efficiently capturing dust and debris. If you have any questions contact us by email and we will get back to you within 24 hours.