IMPINGER MIDGET PLAIN ( 1 in case)

Details

This impinger was designed for the sampling of small air volumes with a low jet velocity. Similar design to the Greenburg-Smith impinger, except for its smaller size, Requires only a 12” head of water, Orifice at the bottom of the impinger is 1 mm, passing 0.09-0.11 CFM of air at 12” H2O vacuum, Pieces are interchangeable, maintaining nozzle centering and clearance to the bottom inside surface