Replacement A-dec® Pneumatic Indicator, Red Panel Mount On / Off Indicator (A-dec® # 24.0100.03) 10-32 Port with barb for 1/8" O.D. tubing 25-120 PSI Panel-mount 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.