LSE Lighting compatible 39W UV Bulb for GL39SE4P 12GPM Sterilizer Brand: LSE Lighting Base: 4pin (4pins on ONE END) Length: 33" (843mm) - Wattage: 39W, Type: Germicidal Ultraviolet UV-C, Average Life: 12,000hrs This UV lamp replacement by (LSE Lighting brand) is 100% compatible with following models: UV-12C, UV-24B, UV-36B, UV-50B, UV-60B, UV-80B and UV-100B All UV lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Polaris brand lamps. All Polaris brand names, trademarks and logos are property of Polaris.