MODEL NUMBER: This pleated air filter will fit DeWalt brand Wet Dry vacuums DCV5801H, the filter is not created or sold by DeWalt. This is non-original aftermarket part but it made exactly fit for DeWalt Vacuum.Fits DCV580 & DCV581H..FILTERS SIZE: OD:4.2" (10.7cm), height 4.5" (11.5cm). Weight 8 ounces. Package Dimensions 4.7 x 4.7 x 4.7 inches..PREMIUM QUALITY: Professional quality, affordable price.The replacement part is made from high quality washable pleated filter paper and well-tested by the manufacturer.HEPA Rated filter traps up to 99.97% efficiency，dust as Small as 0.3 Microns..WASHABLE AND REUSABLE: Used for cleanup of everyday dirt like sawdust, wood chips, job site debris and car or truck dirt.The cartridge filter is washable and reusable, it can be easily cleaned..CUSTOMER SERVICE: We value customer service and satisfaction. for any reason you're not completely satisfied, you can ask for a replacement or full refund or if you have any problems with the filter fitting your vacuum, please contact us through our Amazon home page.