Please note our upcoming holiday schedule:
We will be closed Tue Apr 23rd, Thurs April 24th, Mon Apr 29th & Tue Apr 30th.
There may be potential delays in shipping due to these closures. We appreciate your patience!
Category clear
Bulbs
Wattage clear
21 W
Technology
Bulb Shape
A Series (7)
Linear Tube (16)
RP & S Series (1)
Lamp Base
A: General Bases
B: Compact Fluorescent Bases
C: Fluorescent Bases
Overall Length
Equivalent Wattage
42 W (2) 50 W (5) 100 W (5) 150 W (5) 200 W (3)
Overall Diameter
Brand
Color Temperature
Lumens
Application
Emitted Color
Bulb Finish
CRI
80 (10) 82 (5) 85 (8) 86 (3)
Input Voltage
12 V (1) 120 V (11)
Beam Angle Type
Beam Spread
110° (2) 220° (4) 300° (3)
Dimmable (5)
Energy Star (2)
UL Listed (3)
Finish Type
Number of Bulbs
1 (2)
Indoor Use (1)
Outdoor Use (1)
RoHS (7)
Nominal Length
34" (8) 36" (3)
Nominal Diameter
0.625" (16)
Hours
Include Discontinued & Unavailable Items (58)
More Options
Sort By
Page Size

6 pack - Satco S8542 5W/15W/21W A21 LED Light Bulb

Item No: CB-0240704 Part No: S8542 UPC: 045923085420
CB Preferred
  • Technology: LED
  • Bulb Shape: A21
  • Wattage: 5 W / 15 W / 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 2700K
  • Equivalent Wattage: 50 W / 100 W / 150 W
In Stock
$65.70 Pack of 6
View Details

10 pack - Westinghouse 0372700 21W S8 Incandescent Light Bulb

Item No: CB-0214880 Part No: 0372700 UPC: 00030721037276
CB Preferred
  • Technology: Incandescent
  • Bulb Shape: S8
  • Wattage: 21 W
  • Lamp Base: BA15s
  • Color Temperature: 2700K
In Stock
$30.10 Pack of 10
View Details

40 pack - Sunlite 30325-SU 21W T5 Cool White Fluorescent Light Bulb

Item No: CB-0009356 Part No: 30325-SU UPC: 653703303253
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 4100K
In Stock
$189.20 Pack of 40
View Details

Satco S8128 21W T5 Fluorescent Light Bulb

Item No: CB-0239009 Part No: S8128 UPC: 045923081286
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 3000K
In Stock
$8.32 per bulb
View Details

12 pack - Sunlite 30254-SU 21W T5 Cool White Fluorescent Light Bulb

Item No: CB-0200574 Part No: 30254-SU UPC: 653703302546
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 4100K
In Stock
$96.84 Pack of 12
View Details

Feit Electric A50/150/LEDG2 7W/15W/21W White LED Light Bulb

Item No: CB-0212281 Part No: A50/150/LEDG2 UPC: 017801143690
CB Preferred
  • Technology: LED
  • Wattage: 7 W / 15 W / 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 2700K
  • Equivalent Wattage: 50 W / 100 W / 150 W
In Stock
$26.43 per bulb
View Details

40 pack - Sunlite 30324-SU 21W T5 Daylight Fluorescent Light Bulb

Item No: CB-0009358 Part No: 30324-SU UPC: 653703303246
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 6500K
In Stock
$195.20 Pack of 40
View Details

Satco S8129 21W T5 Fluorescent Light Bulb

Item No: CB-0239010 Part No: S8129 UPC: 045923081293
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 3500K
In Stock
$8.32 per bulb
View Details

6 pack - Satco S8543 5W/15W/21W A21 LED Light Bulb

Item No: CB-0240705 Part No: S8543 UPC: 045923085437
  • Technology: LED
  • Bulb Shape: A21
  • Wattage: 5 W / 15 W / 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 3000K
  • Equivalent Wattage: 50 W / 100 W / 150 W
In Stock
$65.70 Pack of 6
View Details

40 pack - Sunlite 30322-SU 21W T5 Super White Fluorescent Light Bulb

Item No: CB-0009357 Part No: 30322-SU UPC: 653703303222
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 5000K
In Stock
$189.20 Pack of 40
View Details

12 pack - Satco S12452 21W A23 LED Light Bulb

Item No: CB-0251869 Part No: S12452 UPC: 045923124525
  • Technology: LED
  • Bulb Shape: A23
  • Wattage: 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 5000K
  • Equivalent Wattage: 200 W
In Stock
$143.40 Pack of 12
View Details

6 pack - Satco S8544 5W/15W/21W A21 LED Light Bulb

Item No: CB-0240706 Part No: S8544 UPC: 045923085444
  • Technology: LED
  • Bulb Shape: A21
  • Wattage: 5 W / 15 W / 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 4000K
  • Equivalent Wattage: 50 W / 100 W / 150 W
In Stock
$65.70 Pack of 6
View Details

6 pack - Satco S8545 5W/15W/21W A21 LED Light Bulb

Item No: CB-0240707 Part No: S8545 UPC: 045923085451
  • Technology: LED
  • Bulb Shape: A21
  • Wattage: 5 W / 15 W / 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 5000K
  • Equivalent Wattage: 50 W / 100 W / 150 W
In Stock
$65.70 Pack of 6
View Details

40 pack - Sunlite 30320-SU 21W T5 Neutral White Fluorescent Light Bulb

Item No: CB-0009355 Part No: 30320-SU UPC: 653703303208
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 3500K
In Stock
$189.20 Pack of 40
View Details

12 pack - Satco S12450 21W A23 Soft White Warm White LED Light Bulb

Item No: CB-0251396 Part No: S12450 UPC: 045923124501
  • Technology: LED
  • Bulb Shape: A23
  • Wattage: 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 3000K
  • Equivalent Wattage: 200 W
In Stock
$143.40 Pack of 12
View Details

12 pack - Satco S12451 21W A23 LED Light Bulb

Item No: CB-0251868 Part No: S12451 UPC: 045923124518
  • Technology: LED
  • Bulb Shape: A23
  • Wattage: 21 W
  • Lamp Base: Medium (E26)
  • Color Temperature: 4000K
  • Equivalent Wattage: 200 W
In Stock
$143.40 Pack of 12
View Details

25 pack - Halco 30127 21W T5 Fluorescent Light Bulb

Item No: CB-0003013 Part No: 30127 UPC: 807154301270
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 4100K
$126.25 Pack of 25
View Details

25 pack - Halco 30125 21W T5 Fluorescent Light Bulb

Item No: CB-0003011 Part No: 30125 UPC: 807154301256
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 3000K
$127.75 Pack of 25
View Details

25 pack - Halco 30126 21W T5 Fluorescent Light Bulb

Item No: CB-0002094 Part No: 30126 UPC: 807154301263
CB Preferred
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 3500K
$127.50 Pack of 25
View Details

Satco S8113 21W T5 Daylight Fluorescent Light Bulb

Item No: CB-0238919 Part No: S8113 UPC: 045923081132
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 6500K
$8.32 per bulb
View Details

40 pack - Sylvania 20921-S 21W T5 Neutral White Light Bulb

Item No: CB-0025557 Part No: 20921-S UPC: 046135209215
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 3500K
$321.60 Pack of 40
View Details

Satco S8112 21W T5 Natural Light Fluorescent Light Bulb

Item No: CB-0238918 Part No: S8112 UPC: 045923081125
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 5000K
$8.32 per bulb
View Details

TCP LPLU42AB5027K 21W Soft White LED Light Bulb

Item No: CB-0221677 Part No: LPLU42AB5027K UPC: 762148173489
CB Preferred
  • Technology: LED
  • Wattage: 21 W
  • Lamp Base: G24q/GX24q Universal
  • Color Temperature: 2700K
  • Equivalent Wattage: 42 W
$21.07 per bulb
View Details

40 pack - Sylvania 20924-S 21W T5 Light Bulb

Item No: CB-0025558 Part No: 20924-S UPC: 046135209246
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 4100K
$321.60 Pack of 40
View Details

Satco S8130 21W T5 Fluorescent Light Bulb

Item No: CB-0239011 Part No: S8130 UPC: 045923081309
  • Technology: Fluorescent
  • Bulb Shape: T5
  • Wattage: 21 W
  • Lamp Base: Mini (Bi-Pin)
  • Color Temperature: 4100K
$8.32 per bulb
View Details