A "dust collector" is a device or tool that is used to collect and remove tiny particles of dust and dirt from the air or surfaces, making the environment cleaner and healthier. Full definition
Even the casual market will realize their mistake when they have barely purchased games for their children on the original accessory, why make the investment a second time for a permanent dust collector? (jamiex66.com)
They look great when clean, but are terrible dust collectors, and look shabby as soon as they get dusty. (thezhush.com)