Ultra-Vac vacuums have durable steel frames and aluminum bodies. The UV-1250 with dual motors and UV-950 with single motor come with or without HEPA filters. Their stable and compact design for heavy-duty pick-up of concrete dust and other dry materials is ideal for grinding, tuckpointing, and general clean-up. U.S. Saws Inc. 877-817-6687. www.ussaws.com