Incandescent and Halogen pool and spa lamps by Halco Lighting Technologies have been the industry standard for traditional pool lighting for 20 years. They are used by trade professionals and OEM manufacturers who value performance, reliability and long term service life from their pool and spa lamps. The line up of traditional pool and spa lamps, covers all of the application needs in the market. From standard R20/R40 Incandescent lamps to Quartz Halogen MR-16, T3/T4 lamps and everything in between, has you covered.