McMaster 4549K671 Standard Wall Galvanized Steel Threaded Pipe Nipple, Fully Threaded, 2 NPT, 2" Long, Sch 40 55MN04 Range 10 Degrees to 40 Range 10 Degrees to 40 Degrees C Housing Material Emergency Lighting and Exit Signs Plastic Housing Color Emergency Lighting and Exit Signs White Output Voltage 6 V DC Item Emergency Lighting and Exit Signs Emergency Light Number of Lamp Heads 2 Warranty 5 yr Optional Guard 4YFV2 Emergency Illumination Time Emergency Lighting and Exit Signs 90 min Battery Chemistry Nickel Cadmium Voltage Emergency Lighting and Exit Signs 120 277 Watts @ 90 Minutes 4 Dimensions 52 in L x 44 in W x 3 1 2 in H 067" OD 2 3 8" Wall Thickness 0 this Schedule 40 pipe has fair corrosion resistance and is designed for low pressure applications