Cat.# Max Watt Dia Ht 6208 100W 8” 10 ⅛” 6210 150W 10” 11 ¾” 6212 200W 12” 13 ¾” 6214 300W 14” 15 ¾” 6218 300W 18” 21 ½” 6222 300W 22” 23 ½” Medium base standard. Mogul on request with 6214, 6218 and 6222 only.