Features

• This product contains a large amount of activated carbon in a glass tube and is filled with 20~40 mesh activated carbon in two layers of 400 mg and 200 mg.
• Since the outer diameter of the pipe is large and the amount of filling is large, it is convenient when measuring high concentration organic gas or when ext***ing the measuring time.
• Pack of 1000.
• The instruction manual can be downloaded from the Shibata Science website.