Keystone 31 watt - 120/277 volt - 72" - T8 - Recessed Double Contact (R17d) Base - 4,000K/5,000K/6,500K - CCT Selectable - Ballast Bypass - Single-Sided | Keystone LED Light Bulb (KT-LED31T8-72P2SO-8CSK-DX2 16348)
Keystone 31 watt - 120/277 volt - 72" - T8 - Recessed Double Contact (R17d) Base - 4,000K/5,000K/6,500K - CCT Selectable - Ballast Bypass - Single-Sided | Keystone LED Light Bulb (KT-LED31T8-72P2SO-8CSK-DX2 16348)