Wilkerson Filter Element & O-Ring (A-dec® #97.0280.00) Filter Element only 40 micron Replaces 24V Volt/150 Watt bulbs in older 6300 lights A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.