It reduces circuit breaks

14-2/7" L x 8-1/5" W x 7-1/2" D

poly/cotton pouch

and frequency this device can help with a large spectrum of injuries

Shiley™ Decannulation Cap Universal 15mm White, For Use with Any Size FEN and CFN Tracheostomy Tube Tablet Form It reduces circuit breaksMallinckrodt Medical Inc Shiley Decannulation Cap Universal 15mm White, For Use with Any Size FEN and CFN Tracheostomy TubeAttaches to fenestrated inner cannula with green 15mm connector to permit breathing through fenestration and upper airway. Also attaches to PED NEO tubes. Universal size fits any FEN or CFN tracheostomy tube. Sold individually.