The smoke grabber ashtray helps to clear the air of smoke and odor from cigarettes and cigars. It’s unique lid design with built-in filter draws in smoke before it can be released into the room air. The multi-layered filter with activated carbon helps eliminate tobacco odor. Simply raise the lid to activate the unit; close it to turn the ashtray off. The tray is removable and can be washed in the top tray of your dishwasher. Battery operated. Replacement filter: HAPF7PDQ-U.