The EL-8s lamp is a 25 Watt x 17.75″ bulb that fits the following Insect Light Traps
Four pin lamps – 911B
Dynamite 911 FLT’s built prior to 2012 and 910 FLT.
Gardner FT-150 & GT-180 Slimline
B&G FM-4 Matrix ll Black & FM-4 Matrix ll White
It is recommended that you disconnect the power to the light prior to replacing the EL-82 lamp.