General 20110 - FL20SD/G (F20T10/D) 23.5IN Straight T10 Fluorescent Tube Light Bulb
$10.79
General 20 watt - 23.5" - T10 - Medium Bi-Pin (G13) Base - 6,200K - Daylight - Marine | Fluorescent Light Bulb (FL20SD/G (F20T10/D) 23.5IN 20110)