Product#: TG-5770 Availability: This item normally ships within 1 - 2 business days. Description: A small version of the Greenburg-Smith impinger designed to sample small air volumes, with a low jet velocity. The 30ml impinger bottle is graduated in 5ml. Divisions and is fitted with a 24/40 standard taper joint. The orifice at the bottom of
the inner tube is 1mm, which will pass 0.09-0.11 CFM of air at 12” water vacuum.