2 in Thickness

2 AAA Batteries

Using a 3rd generation photoionization detector (PID) and built-in correction factors for more than 200 compounds

A handy attached roll-up flap provides compact storage

Ergodyne Proflex Standard Back Supports environmental 2 in ThicknessErgodyne Proflex Standard Back Supports Supports feature patented, durable non conductive Sticky Fingers stays that deliver firm, continuous lower back and abdominal support. And together with the Power Panel Positioners, they help keep the support in place. The breathable 8" spandex body also provides consistent stretch and has detachable suspenders. Black.