A21 Light Bulbs
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Title = A21 Light Bulbs
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6PK - OSRAM BBA 250W 120V Photoflood Frosted Lamp
SKU: 11521*6
$16.99$11886PK - OSRAM BBA 250W 120V Photoflood Frosted Lamp
SKU: 11521*6
OSRAM
$1188$16.99Description 6PK - OSRAM BBA 250W 120V Photoflood Frosted LampThis frosted 250W/120V OSRAM, incandescent lamp is most commonly used in applications like photoflood and printers....» View full product details -
Title = A21 Light Bulbs
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Satco 15W A21 LED 2700K Warm White - 100W Equiv.
SKU: S9815
$11.99$795Satco 15W A21 LED 2700K Warm White - 100W Equiv.
SKU: S9815
Satco
$795$11.99Description Satco S9815 15W A21 LED Warm White 2700K Dimmable - 100W Equiv. Features:- 15Watt LED - A21 Shape replacement bulb- 1600 Lumens - 100w...» View full product details -
Title = A21 Light Bulbs
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6 Bulbs - OSRAM 211 - 75W 118V A21 Photo Optic Light Bulb
SKU: 11657*6
$19.99$9906 Bulbs - OSRAM 211 - 75W 118V A21 Photo Optic Light Bulb
SKU: 11657*6
OSRAM
$990$19.99Description OSRAM ANSI 211 - 75W 118Volt, E26 Medium Screw in base, A21 Photo Optic lamp - 6 Bulbs Package DealThe OSRAM 11657 bulb is...» View full product details -
Title = A21 Light Bulbs
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USHIO 250W BBA, A-21 NO.1 incandescent photo flood lamp
SKU: 1000026
$9.99$399USHIO 250W BBA, A-21 NO.1 incandescent photo flood lamp
SKU: 1000026
Ushio
$399$9.99Description INCANDESCENT PHOTO FLOOD LAMPS BBA, A-21 NO.1Please note: This item is not for home use! Only used for photography. Specs Base E26 Medium Screw...» View full product details -
Title = A21 Light Bulbs
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Satco S4883 150W 130V A21 Frosted Shatter Proof E26 Base bulb
SKU: S4883
$12.99$399Satco S4883 150W 130V A21 Frosted Shatter Proof E26 Base bulb
SKU: S4883
Satco
$399$12.99Description Note:This product is not allowed to be purchased or shipped to California as per Title 20 of California Code of Regulations.Satco S4883 150W 130V...» View full product details -
Title = A21 Light Bulbs
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6PK - Sylvania BBA 250W 120V Photoflood Frosted Lamp
SKU: 11619*6
$16.99$12996PK - Sylvania BBA 250W 120V Photoflood Frosted Lamp
SKU: 11619*6
SYLVANIA
$1299$16.99Description This frosted 250W/120V Osram Sylvania, incandescent lamp is most commonly used in applications like photoflood and printers. It has an E26 medium screw and...» View full product details -
Title = A21 Light Bulbs
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6Pk - OSRAM 212 150W 118V A21 Photo Enlarger Light Bulbs
SKU: 11656*6
$15.99$10996Pk - OSRAM 212 150W 118V A21 Photo Enlarger Light Bulbs
SKU: 11656*6
OSRAM
$1099$15.99Description OSRAM 212 - 150 watts 118 volts E26 Medium Screw A21 Shape Incandescent Enlarger Bulb The OSRAM 212 bulbs are used as enlarger bulbs...» View full product details -
Title = A21 Light Bulbs
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Philips 12W LED A21 Dimmable 2700K Light Bulb - 75w equiv.
SKU: 479873
$17.99$649Philips 12W LED A21 Dimmable 2700K Light Bulb - 75w equiv.
SKU: 479873
Philips
$649$17.99Description Philips A21 omni-directional dimmable WarmGlow 2700K 12 watt LED bulb generates as much light as many 75 watt incandescent bulbs. Benefits: - No lead...» View full product details -
Title = A21 Light Bulbs
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Satco 15.5W A21 LED Dimmable 2700K Warm White Frosted GU24 base light bulb
SKU: S9819
$11.99$899Satco 15.5W A21 LED Dimmable 2700K Warm White Frosted GU24 base light bulb
SKU: S9819
Satco
$899$11.99Description S9819 15.5 watts 120 volts A-Shape A21 2700k 220 Degrees GU24 base LED Light Bulb.Features:- A-Shaped replacement lamp- 100w equivalent- 220 degree beam angle-...» View full product details -
Title = A21 Light Bulbs
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Satco 19w A21 LED 5000K Medium base 220 deg. beam spread 120-277 volts
SKU: S8649
$14.99$1095Satco 19w A21 LED 5000K Medium base 220 deg. beam spread 120-277 volts
SKU: S8649
Satco
$1095$14.99Description 19 watt; A21 LED; 5000K; Medium base; 220' beam spread;120-277 voltsFeatures- A-Shaped replacement lamp- 125W equivalent- Approved for enclosed fixtures- Damp location ratedNote:This product...» View full product details -
Title = A21 Light Bulbs
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Philips 16.6W A21 LED 5000K Daylight 1500Lm Light Bulb - 100w equiv.
SKU: 554485
$19.99$999Philips 16.6W A21 LED 5000K Daylight 1500Lm Light Bulb - 100w equiv.
SKU: 554485
Philips
$999$19.99Description Philips 554485 - 16.6W LED A21 Non-Dimmable Daylight Bulb - 100w equiv. Philips 554485 A21 LED 16.6 watts bulb generates 1500Lumens, as much light...» View full product details -
Title = A21 Light Bulbs
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Philips 16W LED A21 Dimmable 3000K 1600LM Light Bulb - 100w equiv.
SKU: 479899
$16.99$999Philips 16W LED A21 Dimmable 3000K 1600LM Light Bulb - 100w equiv.
SKU: 479899
Philips
$999$16.99Description Philips 479899 - 16 watt A21 LED omni-directional dimmable bright white light 3000K LED bulb - generates as much light as 100-watt incandescent bulbs....» View full product details -
Title = A21 Light Bulbs
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Satco 5/15/21w A21 LED 3-way Frosted 4000K Medium base 120 volts
SKU: S8544
$15.99$1095Satco 5/15/21w A21 LED 3-way Frosted 4000K Medium base 120 volts
SKU: S8544
Satco
$1095$15.99Description 5/15/21 watt; A21 LED; 3-way; Frosted; 4000K; Medium base; 120 voltsFeatures- Solid State LED lighting- A shaped replacement lamp- Long life- 3-Way LED- 600/1600/2150...» View full product details -
Title = A21 Light Bulbs
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Satco 5/15/21w A21 LED 3-way Frosted 5000K Medium base 120 volts
SKU: S8545
$15.99$1095Satco 5/15/21w A21 LED 3-way Frosted 5000K Medium base 120 volts
SKU: S8545
Satco
$1095$15.99Description 5/15/21 watt; A21 LED; 3-way; Frosted; 5000K; Medium base; 120 voltsFeatures- Solid State LED lighting- A shaped replacement lamp- Long life- 3-Way LED- 600/1600/2150...» View full product details -
Title = A21 Light Bulbs
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Philips 16W LED A21 Soft White Dimmable WarmGlow Bulb - 100w equiv.
SKU: 472399
$19.99$999Philips 16W LED A21 Soft White Dimmable WarmGlow Bulb - 100w equiv.
SKU: 472399
Philips
$999$19.99Description Philips 472399 - 16W LED A21 Dimmable Soft White Light Bulb - 100w equiv. Philips A21 LED 16 watts dimmable bulb generates as much...» View full product details -
Title = A21 Light Bulbs
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20w A21 LED Hi-Pro HID Replacement 4000K Cool White 120-277V Non-Dimmable
SKU: S8779
$37.99$269520w A21 LED Hi-Pro HID Replacement 4000K Cool White 120-277V Non-Dimmable
SKU: S8779
Satco
$2695$37.99Description 20 watt - LED A21 Hi-Pro HID Replacement; 4000K; Medium base; 120-277 voltsFeatures- Halogen & ceramic metal halide replacement lamp- 70w equivalent- Approved for...» View full product details -
Title = A21 Light Bulbs
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20W A21 LED 120V Hi-Pro HID Replacement 2700K Warm White
SKU: S8735
$37.99$269520W A21 LED 120V Hi-Pro HID Replacement 2700K Warm White
SKU: S8735
Satco
$2695$37.99Description 20W A21 E26 LED 120V Hi-Pro HID Replacement 2700K Warm WhiteFeatures:- Halogen & ceramic metal halide replacement lamp- 70w equivalent- Approved for enclosed fixtures-...» View full product details -
Title = A21 Light Bulbs
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20W A21 LED Hi-Pro HID Replacement 5000K Natural Light Dimmable - 150w Equiv
SKU: S8736
$37.99$269520W A21 LED Hi-Pro HID Replacement 5000K Natural Light Dimmable - 150w Equiv
SKU: S8736
Satco
$2695$37.99Description 20W A21 E26 LED 120V Hi-Pro HID Replacement 5000K Natural LightFeatures:- Halogen & ceramic metal halide replacement lamp- 70w equivalent- Approved for enclosed fixtures-...» View full product details -
Title = A21 Light Bulbs
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Philips 16W LED A21 Dimmable Soft White Bulb - 100w equiv.
SKU: 479485
$19.99$999Philips 16W LED A21 Dimmable Soft White Bulb - 100w equiv.
SKU: 479485
Philips
$999$19.99Description Philips 479485 - 16W LED A21 Dimmable Soft White Bulb - 100w equiv. Philips A21 16 watt LED dimmable omni-directional LED bulb generates as...» View full product details -
Title = A21 Light Bulbs
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20W A21 LED 120-277V Hi-Pro HID Replacement 2700K Natural Light
SKU: S8737
$37.99$269520W A21 LED 120-277V Hi-Pro HID Replacement 2700K Natural Light
SKU: S8737
Satco
$2695$37.99Description 20W A21 E26 LED 120-277V Hi-Pro HID Replacement 2700K Natural LightFeatures:- Halogen & ceramic metal halide replacement lamp- 70w equivalent- Approved for enclosed fixtures-...» View full product details
A21 Light Bulbs
The A21 term for light bulbs is used to describe the overall shape and dimensions of a bulb. The A21 bulbs are larger than A19 bulbs and are more commonly used for higher light output applications.The letters designate the bulb shape while the number represents the diameter in eight of an inch.
For A21 the "A" refers to the overall shape of the bulb that resents a classic light bulb shape, commonly compared to an upside-down pear.
The 21 represents the bulb diameter in eight of an inch, more exactly 21/8 = 2.625 inch (or 2 5/8 inch).
The length of an A21 bulb is typically 4.1 - 5.4 inches (105-140 mm) in length, slightly longer than A19 bulbs.
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