The bulbs are compatible with various models and part numbers, including 3457NALLB2, 6L2Z-13466-AB, and 90981AF003. 1999370,63 12 7 187 952,63127187952|7B0 941 102,7B0941102,F5DZ-13466-A,F5DZ13466A|LK3Z-13466-A,LK3Z13466A,N 000000 003138,N000000003138|14388,3500278J00,6L2A13465AA|N 000000 008307,N00000000.
One of the bulb burnt out the very first day. The other one still works. Construction is flimsy. It all adds up to one thing, that Philips' quality control is down the drain. I haven't checked where they make these bulbs but it most likely isn't America. My bet is on either China or Mexico