Get the right replacement filters for your Xcv05 backpack vacuum with the Makita HEPA filter (123636-9). the Makita 18V X2 LXT Lithium-Ion (36V) Brushless cordless 1/2 gallon HEPA filter backpack dry vacuum (Xcv05, sold separately) is a powerful and portable clean-up solution that eliminates extension cords that trail corded backpack vacuums. The efficient HEPA Filtration system captures 99.75% of particulates .3 microns and larger. The HEPA filter features durable construction for long service life.