PETA is accepting proposals to award a VITROCELL® exposure system—valued at up to $100,000—to researchers who will use it to avoid testing on animals. The VITROCELL exposure system can be used to deliver aerosolized test substances to human lung cells to predict human health effects more accurately than tests on animals. DEADLINE: March 30, 2017. The PETA International Science Consortium is also purchasing similar equipment for IIVS in support of our efforts to replace animals in inhalation testing. Read more.