It collects up to 70% of the generated saw dust. Easy to install. Easy to empty. Includes wire frame for attaching bag to table saw's dust port and for support of top seam of bag. Crafted out of heavy cloth material with sturdy zipper for trouble free emptying. Dimensions: L 29" x W 13" head side x W 9" end side, diameter of ring 2.5" up to 2 7/8". This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility. - On your request, we can ship items UK, European Union Countries (except Italy, Malta, Turkey and Denmark), Australia, New Zealand, Ja.