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F20T12 Fluorescent Black Light Blue Bulbs

F20T12 fluorescent black light blue for lots of special lighting effects.
Price: $23.75
F20T12 fluorescent black light blue fluorescent bulbs are the typical lamp used for several types of effects including the most common one which are black light posters and effects. The sizes vary on length and diameter but all have that special deep purple appearance when unlit. This particular one is 20 watt and has a 1 1/2 inch diameter tube which is a T12 lamp. It's an older style of bulb and continues to be made for replacement purposes. With a length of only 2 feet long from pin to pin, you'll find these in many applications where you need a smaller light fixture and get the black lighting effect. It operates on a magnetic ballast which is the older style ballast as well. On occasion you will see these used with an electronic ballast but that is rare. Anywhere that you see a fixture that uses an F20T12, this bulb will work perfectly in it, it's electrically the same. Often the label will have a reference to BLB which means black light blue, and that's the fluorescent phosphor that used in this type of bulb. It's great for things like Halloween but also is used for many kinds of stage lighting effects such as night sky or special emphasis with color. There is also a 4 foot version which is the most common one and sometimes these are used together for a long linear stretches of light.

Product features:
- 24 inch overall length.
- 20 watt.
- Black light effects and stage effects.
- F20T12/BLB are some of the ways that these are labeled.

Item Number: BLF12278

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