Replacement SW -Wattage: 25 Lamp Type: Westinghouse G25T8 with Teflon sleeve UV Peak: 254 nm. Lamp length: 18 in. ~ 46 cm. This price is for two lamps. This lamp can be used in these fixtures: UVP: UVS-225D and UVLS-225D. Sold in lots of two. Click here here for more information.