The U.S. Environmental Protection Agency, Region 9 (EPA) is informing the Bureau of Customs and Border Protection of the U.S. Department of Homeland Security (CBP) that the following pesticide import devices, PurO2xygen Model P500 True HEPA Air Purifiers in the shipment should be Denied Entry-Refused Delivery into the United States pursuant to the authority of Section 17(c) of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), 7 U.S.C. Section 136o(c), and the implementing regulations at 19 C.F.R. ? 12.117. The entry was marked Refused in the Automated Commercial Environment (ACE).