GP-104 Greenburg Smith Impinger / Orifice (M202)
The GP-104 Greenburg Smith Impinger comes complete with 500 ml. bottle and impinger stem with the Greenburg Smith orifice. This impinger is specified in EPA Method 202 along with other methods. (click on image to enlarge)
Precision Made Ground Glass
500 ml. Bottle
Modified Stem With Orifice
Teflon™ Coated Viton and Silicone O-rings Included
#28 Ball Joint