Profile: Thoren Caging Systems, Inc. specializes in making plastic laboratory animal cages and equipment. We provide mouse cages, rat cages, filter systems, covers and watering systems. Our maxi-miser system renders positive individual ventilation to each cage position & supplies air directly into each cage & also exhausts spent air, animal odors, dander and feed dust directly from each cage. Our blower/filter module is made of stainless steel and can be readily attached or detached from the caging system.