Home / MEDC / Detectors, Control & Distribution / GHG 411 81 GHG 411 81 Exed, Weatherproof http://www.coopermedc.com/sites/coopermedc.com/files/products/datasheets/cooper-medc-datasheet-ghg-411-6ds123-issue-h_1.pdf Category: Detectors, Control & Distribution Related products HD1 Range Read more SM87JB Read more GHG 44 Control Unit Range Read more GHG 411 83 Read more