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A21 A23
"A"  Bulbs are the most common general purpose incandescent light bulbs in use today. The "A" designates that the shape of the bulb is ARBITRARY, the number following the "A" denotes the width of the glass envelope in eighths of an inch. The four most common sizes of "A" lamps are: A-15,A-19,A-21, and A-23. A-15 bulbs are fifteen (15) eighths of an inch in diameter or 1.875" inches or 47.625 millimeters. A-19 bulbs are nineteen (19) eighths of an inch in diameter or 2.375" inches or 60.325 millimeters. A-21 bulbs are twenty one (21) eighths of an inch in diameter or 2.625" inches or 66.675 millimeters. A-23 bulbs are twenty three (23) eighths of an inch in diameter or 2.875" inches or 73.025 millimeters. The incandescent light bulb or incandescent lamp makes light by passing electric current through a wire filament in a glass envelope filled with an inert gas. The filament resists the electrical current and produces a glow (incandesces). One of the by-products of this production of light is heat. Incandescence is the emission of light (visible electromagnetic radiation) from a hot body due to its temperature. The term derives from the verb incandesce, to glow white.
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25A19/CL/130V/4M 25 Watt A19 Clear E26 Base 25A19/IF/130V/4M 25 Watt A19 Inside Frost E26 Base
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25A19/CL/130V/4M 25 Watt A19 Clear E26 Base, 25A19CL, 25 Watt A19  Clear 4,000 Hour Medium Base 25A19/IF/130V/4M 25 Watt A19 Inside Frost E26 Base, 25A19IF, 25 Watt A19 Inside Frost 4,000 Hour Medium Base
25A19/CL/130V/4M 25 Watt A19 Clear E26 Base - 25 Watt A19 Clear 130 Volt Medium Base 130 Volt, 4,000 Hour 25A19/IF/130V/4M 25 Watt A19 Inside Frost E26 Base - 25 Watt A19 Inside Frost 130 Volt Medium Base 4,000 Hour
60A19/CL/130V/4M 0A19/CL/130V/4M 60 Watt A19 Clear 130V E26 Base 40A19/CL/130V/4M 40 Watt A19 Clear 130V E26 Base
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60A19/CL/130V/4M 60 Watt A19 Clear 130V E26 Base, 60A19CL, 60A/CL 40A19/CL/130V/4M 40 Watt A19 Clear 130V E26 Base, 40A19CL, 40A/CL
60A19/CL/130V/4M 60 Watt A19 Clear 130V E26 Base - 60 Watt A19 Clear 130 Volt Medium Base 130 Volt, 4,000  Hour 40A19/CL/130V/4M 40 Watt A19 Clear 130V E26 Base - 40 Watt A19 Clear 130 Volt Medium Base 130 Volt, 4,000  Hour
75A19/CL/130V/4M 75 Watt A19 Clear E26 Base 100A19/CL/130V/4M 100 Watt A19 Clear E26 Base
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75A19/CL/130V/4M 75 Watt A19 Clear E26 Base, 75ACL, 75A19CL, 75 Watt A19 Clear Medium Base 130 Volt 100A19/CL/130V/4M 100 Watt A19 Clear E26 Base, 100A19CL, A19CL100, 100 Watt A19 Clear Medium Base 130 Volt
75A19/CL/130V/4M 75 Watt A19 Clear E26 Base - 75 Watt A19 Clear 130 Volt Medium Base 130 Volt 4,000  Hour 100A19/CL/130V/4M 100 Watt A19 Clear E26 Base - 100 Watt A19 Clear 130 Volt Medium Base 130 Volt, 4,000 Hour
25A15/CL/130V/3M 25 Watt A15 Clear E26 Base 75A19/CL/130V/5M 75 Watt A19 Clear E26 Base
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25A15/CL/130V/3M 25 Watt A15 Clear E26 Base,25A15/CL/130V/3M E26 BASE, 25A15/CL, 25A15-CL, 25 WATT A15 CLEAR 130 VOLT 75A19/CL/130V/5M 75 Watt A19 Clear E26 Base, 75A/CL, 75A19/CL, 75 Watt A19 Clear 130 Volt 5,000 Hour
25A15/CL/130V/3M 25 Watt A15 Clear E26 Base - 25 Watt A15 Clear 130 Volt Medium Base, 3,000  Hour 75A19/CL/130V/5M 75 Watt A19 Clear E26 Base - 75 Watt A19 Clear 130 Volt Medium Base, 5,000 Hour
25A19/CL/130V/5M 25 Watt A19 Clear E26 Base 25A19/IF/130V/5M 25 Watt A19 Inside Frost E26 Base
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25A19/CL/130V/5M 25 Watt A19 Clear E26 Base, 25A/CL, 25 Watt A19 Clear 130V, 5,000 Hour 25 Watt A19 Clear 25A19/IF/130V/5M 25 Watt  A19 Inside Frost E26 Base, 25A, 25A/RS, 25 Watt A19 Inside Frost 5,000 Hour 25 Watt A19 Inside Frost
25A19/CL/130V/5M 25 Watt A19 Clear E26 Base - 25 Watt A19 Clear 130 Volt Medium Base 5,000 Hour 25A19/IF/130V/5M 25 Watt  A19 Inside Frost E26 Base - 25 Watt A19 Inside Frost 130 Volt Medium Base,  5,000 Hour
60A15/CL/130V/2M 60 Watt A15 Clear 130 Volt E26 Base 60A15/IF/130V/2M 60 Watt A15 Inside Frost 130 Volt E26 Base
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60A15/CL/130V/2M 60 Watt A15 Clear 130 Volt E26, 60A15/CL,60 Watt A-15 Clear, A-15 Clear 60 Watt, A15CL60 60A15/IF/130V/2M 60 Watt A15 Inside Frost 130 Volt E26 Base, 60A15,A15FR60,60A15/IF
60A15/CL/130V/2M 60 Watt A15 Clear 130 Volt E26 Base - 60 Watt A15 Clear 130 Volt Medium  Base, 2,000 Hour 60A15/IF/130V/2M 60 Watt A15 Inside Frost 130 Volt E26 Base -  60 Watt A15 Inside Frost 130 Volt Medium Base 2,000 Hour
25A15/IF/130V/3M 25 Watt A15 Inside Frost E26 Base 40A15/IF/130V/2M 40 Watt A15 Inside Frost E26 Base
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25A15/IF/130V/3M 25 Watt A15 Inside Frost E26 Base,25A15/IF/130V/3M 25 WATT A15 INSIDE FROST E26 BASE, 25A15/RS, 25A15/1, 25A15/IF, 25 WATT A15 INSIDE FROST 130 VOLT 40A15/IF/130V/2M 40 Watt A15 Inside Frost E26 Base, 40A15/F, 40A15, 40A15IF, 40A15/IF, 40A15/PLT, 40 Watt A15 Inside Frost, Halco #6018
25A15/IF/130V/3M 25 Watt A15 Inside Frost E26 Base - 25 Watt A15 Inside Frost 130 Volt Medium Base, 3,000 Hour 40A15/IF/130V/2M 40 Watt A15 Inside Frost E26 Base - 40 Watt A15 Inside Frost 130 Volt Medium Base, 2,000 Hour
40A19/IF/130V/4M A19 INSIDE FROST E26 BASE 75A19/IF/130V/4M A19 INSIDE FROST E26 BASE
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40A19/IF/130V/4M A19 INSIDE FROST E26 BASE, 40A19IF, 40 WATT A19 INSIDE FROST 4,000 HOUR MEDIUM BASE 75A19/IF/130V/4M A19 INSIDE FROST E26 BASE, 75A19IF, 75 WATT A19 INSIDE FROST 4,000 HOUR MEDIUM BASE 130 VOLT
40A19/IF/130V/4M A19 INSIDE FROST E26 BASE - 40 Watt A19 Inside Frost 130 Volt Medium Base 130 Volt, 4,000 Hour 75A19/IF/130V/4M A19 INSIDE FROST E26 BASE - 75 Watt A19 Inside Frost 130 Volt Medium Base, 130 Volt 4,000 Hour
40A19/IF/230V/2.5M 40 WATT A19 INSIDE FROST 230 VOLT E26 BASE 75A19/IF/230V/2.5M 75 WATT A19 INSIDE FROST 230 VOLT E26 BASE
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40A19/IF/230V/2.5M 40 WATT A19 INSIDE FROST 230 VOLT E26 BASE, 40A/230V, 40A/S-230V, 40 A19 INSIDE FROST 230 VOLT MEDIUM E27 BASE, 230 VOLT LIGHT BULBS 75A19/IF/230V/2.5M 75 WATT A19 INSIDE FROST 230 VOLT E26 BASE, 75A/230V, 75A/S-230V, 75 A19 INSIDE FROST 230 VOLT MEDIUM E27 BASE, 230 VOLT LIGHT BULBS
40A19/IF/230V/2.5M 40 WATT A19 INSIDE FROST 230 VOLT E26 BASE - 40 Watt A19 Inside Frost 230 Volt Medium Base 2,500 Hour 75A19/IF/230V/2.5M 75 WATT A19 INSIDE FROST 230 VOLT E26 BASE - 75 Watt A19 Inside Frost 230 Volt Medium Base 2,500 Hour
40A19/IF/130V/5M 40 WATT A19 INSIDE FROST E26 BASE 40A19/CL/130V/5M 40 WATT A19 CLEAR E26 BASE
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40A19/IF/130V/5M 40 WATT A19 INSIDE FROST E26 BASE, 40A/S-130V, 40A/99, 40 WATT A19 INSIDE FROST 130 VOLT 5,000 HOUR 40A19/CL/130V/5M E26 BASE, 40A/CL, 40 A19 CLEAR 130 VOLT 5,000 HOUR, 40A19/CL/130V/5M 40 WATT A19 CLEAR E26 BASE
40A19/IF/130V/5M 40 WATT A19 INSIDE FROST E26 BASE - 40 Watt A19 Inside Frost 130 Volt, Medium Base, 5,000 Hour 40A19/CL/130V/5M 40 WATT A19 CLEAR E26 BASE - 40 Watt A19 Clear 130 Volt Medium Base, 5,000 Hour
75A19/IF/130V/5M 75 WATT A19 INSIDE FROST E26 BASE 100A19/IF/130V/5M 100 WATT A19 INSIDE FROST E26 BASE
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75A19/IF/130V/5M 75 WATT A19 INSIDE FROST E26 BASE, 75A/S-130V, 75A/99, 75A19/IF, 75 WATT A19 INSIDE FROST 130 VOLT 5,000 HOUR 100A19/IF/130V/5M E26 BASE, 100A/S-130V, 100A/99, 100 WATT A19 INSIDE FROST 130 VOLT 5,000 HOUR
75A19/IF/130V/5M 75 WATT A19 INSIDE FROST E26 BASE - 75 Watt A19 Inside Frost 130 Volt Medium Base, 5,000 Hour 100A19/IF/130V/5M 100 WATT A19 INSIDE FROST E26 BASE - 100 Watt A19 Inside Frost 130 Volt  Medium Base, 5,000 Hour
60A19/IF/130V/5M 60 WATT A19 INSIDE FROST E26 BASE 15A15/CL/130V/3M 15 Watt A15 Clear E26 Base
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60A19/IF/130V/5M E26 BASE, 60A, 60A/GD, 60A/S, 60A/S-130V, 60A19/35, 60 WATT A19 CLEAR 130 VOLT 5,000 HOUR, 60A19/IF/130V/5M 60 WATT A19 INSIDE FROST E26 BASE 15A15/CL/130V/3M 15 Watt A15 Clear E26 Base,15A15/CL/130V/3M 15 WATT A15 CLEAR E26 BASE, 15A15/CL/BB, 15A15/CL, 15 WATT A15 CLEAR 130 VOLT, 15A15/CL/130V/3M 15 WATT A15 CLEAR E26 BASE
60A19/IF/130V/5M 60 WATT A19 INSIDE FROST E26 BASE - 60 Watt A19 Inside Frost 130 Volt Medium Base, 5,000 Hour 15A15/CL/130V/3M 15 Watt A15 Clear E26 Base - 15 Watt A15 Clear 130 Volt Medium Base, 3,000 Hour
40A15/CL/130V/2M 40 Watt A15 Clear E26 Base 15A15/IF/130V/3M 15 Watt A15 Inside Frost E26 Base
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40A15/CL/130V/2M 40 Watt A15 Clear E26 Base, 40A/CL, BC-40A15/CL, 40A15/CL/BL, 40 Watt A15 Clear 130 Volt 15A15/IF/130V/3M 15 Watt A15 Inside Frost E26 Base,15A15/IF/130V/3M 15 WATT A15 INSIDE FROST E26 BASE, 15A15, 15A, 15A-IF, 15A/IF, 15 WATT A15 INSIDE FROST 130 VOLT
40A15/CL/130V/2M 40 Watt A15 Clear E26 Base - 40 Watt A15 Clear 130 Volt Medium Base, 2,000 Hour 15A15/IF/130V/3M 15 Watt A15 Inside Frost E26 Base - 15 Watt A15 Inside Frost 130 Volt Medium Base, 3,000 Hour
Replacement Bulb for FMP #503-1055 60A19/IF/230V/2.5M 60 WATT A19 INSIDE FROST 230 VOLT E26 BASE
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Replacement Bulb for FMP #503-1055 60A19/IF/230V/2.5M 60 WATT A19 INSIDE FROST 230 VOLT E26 BASE, 60A/230V, 60A/S-230V, 60 A19 INSIDE FROST 230 VOLT MEDIUM E27 BASE, 230 VOLT LIGHT BULBS
Replacement Bulb for FMP #503-1055 - 40 Watt A15 Clear 130 Volt Medium Base, 2,000 Hour 60A19/IF/230V/2.5M 60 WATT A19 INSIDE FROST 230 VOLT E26 BASE - 60 Watt A19 Inside Frost 230 Volt Medium Base 2,500 Hour
25A19/TRANSPARENTBLUE/120V 25 Watt Blue A19 E26 Base 25A19/TRANSPARENTGREEN/130V 25 Watt Green A19 E26 Base
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25A19/TRANSPARENTBLUE/120V 25 Watt Blue A19 E26 Base, 25A19TB, A19TB25, 25 Watt Transparent Blue A19, 25ATB,25A19 Transparent Blue 25A19/TRANSPARENTGREEN/130V 25 Watt Green A19 E26 Base, 25A19TG, 25 Watt Transparent Green A19, Transparent Green A19, Green Colored A19
- 25 Watt Transparent Blue A19 120 Volt Medium Base, 1,250 Hour 25A19/TRANSPARENTGREEN/130V 25 Watt Green A19 E26 Base - 25 Watt Transparent Green A19 Medium Base, 2,000 Hour
   
 
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