sunsun 5w 7w 9w 11w 13w UV lamp G23 2 Pin Base can working with same socket other brand UV brand new from manufacturer Average Life Hour: 8,000hrs work with Hw-303b Hw-304b Hw-404b Jup-01 Uv Filter Cf400uv, Cf500uv CPF-1500 HW-402B HW-403B HW-404B JUP-22 HW-702B HW-703B HW-704B HW-3000 HW-5000