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Keystone KT-EMRG-700 /B - 700 Lumen Fluorescent Emergency Ballast
" Replacement Fluorescent Battery Back-up Ballast | 700lm Output | 90-Minute Backup | 120/277V Input The Keystone KT-EMRG-700 /B (Newer version of the KT-EMRG-700) is a fluorescent emergency ball
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