The GPL36K is a 36 watt preheat start, ozone free, Compact Germicidal (AKA 254nm or UVC ) Lamp with 12 Watts UV. Typical lifetime is 8000 hours. This lamp has one 2G11 4 pin base on the 40mm wide x 415mm long (excluding pins) clear biaxial twin tubes. This item is Made by Ushio, and is also commonly available from Philips, Osram-Sylvania, GE, American Ultraviolet, Sankyo-Denki, among many others, as part numbers 23380, GFT36DL/2G11/SE/OF, PL-L36W/TUV, 26585-0, 265850, GBX36/UVC, GBX36/UVC/2G11, 15883, GPL36, 3000339 and many more.
Product Warning: Germicidal lamps emit harmful ULTRAVIOLET RADIATION (UVC). Avoid direct or reflected exposure as this can cause serious skin burns and eye injury. This lamp SHOULD NOT BE USED FOR ILLUMINATION PURPOSES. Skin and eye protection should be worn at all times when operating.
*** Please note the base has the 4 pins in a line, not in a square form ***