CalGaz Carry Case for Calibration Gas Guard Rails they are far less expensive

they are far less expensive than buying a new hood

This calibration gas is the same gas as the RAE Systems 600-0002-001

Attach it to the beam structure in any orientation or direction for added versatility

Installs easily by attaching the carabiner on the unit housing directly to the same web loop to which the back d-ring is attached

The tripod carry bag makes tripod transport far easier and it provides a simple way to secure the chain and the legs

CalGaz Carry Case for Calibration Gas Guard Rails they are far less expensiveAccomodates up to two calibration gas cylinders. Also has a slot for your regulator. Plenty of space for tubing and calibration adaptor as well. NOTE: We now get this from Intermountain Specialty Gas. Calgaz takes too many weeks.