Keystone 28 watt - 120/277 volt - 64" - T8 - Recessed Double Contact (R17d) Base - 6,500K - Daylight - 360 Double Sided - Sign Hero | Keystone LED Light Bulb (KT-LED28T8-64P2S-865-D 01741)
Keystone 28 watt - 120/277 volt - 64" - T8 - Recessed Double Contact (R17d) Base - 6,500K - Daylight - 360 Double Sided - Sign Hero | Keystone LED Light Bulb (KT-LED28T8-64P2S-865-D 01741)