When replacing the deionising filter in my hydrogen generator how do I dispose of the waste filter? You can dispose of it in any bin. There are no chemicals in it. Can't find what you are looking for? Contact us here or phone your local tech support help centre. Related articles What are the maintenance requirements for the Precision Hydrogen generators? How quickly does silica gel in the Precision Hydrogen generator saturate? The hydrogen generator leaked, what happened? What is the water requirement of Precision Hydrogen generators? How often does the filter of the generator need to be replaced? Comments 0 comments Please sign in to leave a comment.