F&J - Model DF-1L-BL-8 - Brushless AC/DC Low Flow Air Sampling System - Brochure
F&J Model DF-1L-BL-8 is a lightweight, small footprint, DC voltage powered air sampling system operable from (1) on-board 4500 mAH NiMH batteries, (2) line power, or (3) automobile cigarette lighter socket.