Can you put Grayl in the dishwasher?
 
IS THE GRAYL DISHWASHER SAFE? The OUTER [RE]FILL, INNER PRESS, and CAP are top rack dishwasher safe; otherwise wash by hand with warm, soapy water.
 

Rinse cartridge only, no soap.

Note: do not place purifier cartridges in the dishwasher or in soapy water.