This product is a direct lamp replacement for 4-pin square base lamps. I had a 3 year lifespan on the bulb that came with my light so I bought two this time. Good price at Revain as the prices of these lamps vary a lot and delivery was quick. The only catch is that I would like to find it in the LED version instead of the CFL. Otherwise I would have given 5 stars. So come on, Philips moves with the times!
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