Relay Valve, Tooth Dryer (A-dec® #34.0043.00) 1/8" Barb (qty 1), 1/4" Barbs (qty 2) 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.