Blackdecker dustbusters blackdecker nv3620n gb the nv3620n gb dustbuster from blackdecker is a lightweight 36v cordless vacuum cleaner ideal for light cleaning tasks around the home while an ergonomic design ensures maximum user comfort 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 washable dirt bowl and filters allow for a thorough hygienic clean th