OttLite T18330 18w Daylight CFL Replacement Tube Bulb, Bulb Type B, Pack of 1

The light is used by my 98-year-old mother, to read, in conjunction with the mounted magnifying glass; it was imperative that it be replaced quickly as she had used it for over seven years... I suggest that a prospective buyer read ALL of the instructions on the Amazon posting for this, or ANY OttLite product. In truth, I had to revisit my mother's light fixture three times to FINALLY find the model number that fell into one of the long lists of model numbers for specific replacement bulbs. Then I ordered the designated bulb to see if it fit, and it did. Now I've ordered a second bulb so that there will be no lapse in use in the future. Otherwise, no issues; the bulb works as advertised.

It's the bulb I needed but the lamp quit

So happy to find this replacement bulb, thank you!

Several years ago, I tried to find a replacement for my Ottlite Daylight gooseneck floor lamp, just to have a spare for when the bulb finally failed. I actually bought a couple of bulbs whose descriptions "promised" they would fit. But, they didn't -- not even close. Even the fabric store where I bought the light couldn't find compatible bulbs. I gave up the search. Luckily, the original bulb lasted more than 20 years (!). But, last week it finally failed, so my search began again. When I saw reviews for this bulb that referred to the OLDER Ottlite lamps, hope returned. This bulb FITS my Ottlite model U203030!!! It requires some careful muscle to push it in (it snaps sharply upon installation), but that's also true for the original bulb. If I could give this product 10 stars, I would.

Versatility

Replacement bulb works great! Love this lamp for my quilting room.

I turn off my Ott Lite as soon as I'm finished sewing, so I conserve my light bulbs (I have two Ott Lites). So, I find that these light bulbs last a long, long, time. Since we have recently moved to Florida, I didn't have my usual place to purchase sewing supplies. The large Fabrics store said on their web site that they also had this bulb, however, it was not clear if it was the right one that I needed. What I really like about Amazon, is that it was exactly clear which Ott light bulb I needed for my light. The little sticker on my Ott Lite said to never use a light bulb greater than 18 watts. On the bottom of the base of my Ott Lite it said Model #OLFO18TC. On the chart for this light bulb on Amazon, it gave that number as the Part Number. It gave the Model number of the standing light as #TC10016. This light bulb is called Type B, OLT-18w. So I clicked on Purchase, and the light bulb was delivered to my door in two days. It was easy to change the light bulb. There is a little plastic "door" where the bulb goes in, that you pull down, and then you just pull out the old light bulb, and then push in the new light bulb, and then close the little plastic "door" flap. Thank you, Amazon, for having this, and thank you for the clear directions on which Ott Lites use this particular light bulb. Full spectrum light really makes a difference, if you have never tried it.

This bulb fits my Ott-Lite Crane Desk Lamp. It lights up. There is nothing remarkable about it. So it gets three stars because-- it's okay. My Crane lamp is at least six or seven. It's had the original bulb all that time, seeing daily use.The only reason I had to replace it now was pilot error. I forgot to turn it off so it ran for about 11 hours straight and I believe it suffered heat stroke. It wasn't easy finding a replacement bulb. The original bulb, 18W, made in Thailand, was U-shaped like the current 13W Ott bulb, but has a four-prong notched base. The package states "18W" and "508 Technology". The 13W bulb will not fit this lamp. The current version of the replacement bulb has four basic differences: •Two parallel tubes instead of one U-shaped tube •Non-notched base •Warmer color temperature •Made in China Because of the two-tubes I wasn't sure that this was the right bulb though reviews said it was. And since some of the reviews complained of short life I ordered two. The old bulb had a notch on each side of the base that lined up with two protrusions in the lamp's socket. I think this was to make the bulb a proprietary item. At some point this changed. New bulbs don't have the notches in the base and won't fit in the older socket without minor modification. Using long-nose pliers, it was easy to snap the little walls that formed the protrusions and twist them out. Using a sharp-edged flat screwdriver as a tiny chisel removed most of the rest of the walls. One reviewer used a Dremel tool which is a cleaner method. The new bulb fit well enough into the modified base. Once the pins were aligned with the holes in the socket, mild pressure snapped the bulb into place with a "click". Without modifying the socket the bulb will *not* fit. Let there be light. And there was. The bulb has a slightly lower color temperature than the original so the light is very white instead of the slightly blue cast of the original. I prefer the previous, cooler light, but I can live with this. Being made in China is a wild card at this point. Some high quality products are manufactured there, as is a lot of junk. I have no idea where this lamp falls in that spectrum so it's wait and see. This bulb works in the Crane lamp with an easy, minor modification. No magic, no glamor, three stars.

After a long time looking for replacement bulbs I finally found the one I need .

works perfectly in my Ott Lite lamp

This the second time I've ordered these bulbs from Amazon. I like to have extras just in case. The bulbs are as described, work great in my lamp and sold at a decent price. And the packaging to ensure they arrive safe & sound is exceptional. To the person who said the bulb they purchased did not work, I would suggest that he/she put the bulb on the wrong side (I did this the first time & flipped it over and it worked fine) or he/she ordered the wrong bulb - each lamp has its own size bulb so it can be a bit confusing. So I always do a check and re-check before ordering.

Arrived promptly and fitted perfectly. My out lite is ,many years old and hoped this would fit, now as good as new. Thank you.

Reordered.