• Automatic operation from the tools on/off trigger • HEPA Filter • Large dust collection box • Adjustable according to the size of the drill bit • Compatible with M18 BLH and M18 BLHX Designed to collect dust effectively with automatic operation from the tools on/off trigger switch. HEPA Filter: widely regarded as the ultimate filter that traps all sizes of particles with an efficiency rating of 99.75%. Large dust collection box. Dust extraction aluminium tube is adjustable according to the size of the drill bit and length 16 mm max and 90 mm depth. Compatible with M18 BLH and M18 BLHX.