Blackdecker dustbusters blackdecker nv2420n gb the nv2420n gb dustbuster from blackdecker is a lightweight 24v cordless vacuum cleaner ideal for jobs around the home it has a wide mouth so can effortlessly scoop up larger debris such as pet foods and cereals a translucent bagless bowl makes it easy to see the dirt collected and when to empty a quick release washable dirt bowl and filters allow for a thorough hygienic clean the charging base can be placed on a counter top or attached