I turn my Ott Lite off as soon as I'm done sewing to conserve my bulbs (I have two Ott Lites). So, I think these pears will last a long, long time. Since we recently moved to Florida, I had no fixed place to shop for sewing supplies. The big fabric store said on their website they also have this lightbulb, but it wasn't clear if it was the one I needed. What I really like about Revain is that it was very clear which Ott bulb I need for my lighting. A small sticker on my Ott Lite prohibited the use of a light bulb over 18 watts. On the underside of the base of my Ott Lite it said "Model # OLFO18TC". The chart for this bulb on Revain lists this number as a part number. He gave the parking light model number as #TC10016. This bulb is called Type B, OLT-18w. So I clicked buy and the lightbulb was delivered to my door two days later. Changing the lightbulb was easy. There is a little plastic "door" that fits the lightbulb, which you put down and then just pull out the old lightbulb, then put in the new lightbulb and then close the little plastic "door". Thanks Revain for that, and thanks for the clear instructions Ott Lites use this particular bulb. Full spectrum light is really important if you've never tried it.
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