【Compatible Models】-This FUL15W BL with 4 Pin Base bulb replacement is compatible with Flowtron BK-15D Stinger FP15, for TZ15, for B1515-4 /Hemiua T6 Pro, for Black Flag BB-15WHT BZ-15, BZ-20 and most 15W Bulb Replacement. 【Long-Lasting】-The working effect of this lamp can reach about 8000 hours (about 10 months), so the light is stable and the effect is very good. You can use it many times in your home, garden, restaurant, etc. 【Easy To Install】-Please unplug it first, then let it sit for 2 hours to let all the electricity drain. Then remove the old bulb and replace it with a new bulb. Please make sure it fits correctly in the socket you removed! 【Function】-Replace 15W bulb that don't work, It quiet and noiseless which can create a comfortable environment for you. 4 Pack Replacement Bulbs FUL15W BL