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  Fluorescents : Compact Screw Base : Standard Twist : 40-42 watt (20)
To indentify which wattage you need to select for a Compact Fluorescent to replace your standard incandescent, simply take your existing incandescent wattage and multiply it by .25 as Compact Fluorescent Lights (CFLs) generally take 75% less energy consumption.

Brand: Watts: Bulb: Base:

Click on Pictures/Descriptions for additional part information (energy used, light output, lifetime...) and/or to add to your shopping cart.

Picture Part Information Price  
23 watts
23 watt 120 volt Mini-Twist Medium Screw (E26) Base 2,700K Super Saver Micro-Mini Compact Fluorescent Sylvania Light Bulb with LED Night Light (Sylvania CF23EL/MICROLED/827/RP 29895)
23 watt 120 volt Mini-Twist Medium Screw (E26) Base 2,700K Super Saver Micro-Mini Compact Fluorescent with LED Night Light
Manufacturer: Sylvania
Manufacturer Code: CF23EL/MICROLED/827/RP
Service Lighting Part #: SL29895
$7.02 
40 watts
40 watt 120 volt  T4 Medium Screw (E26) Base 2,700K Twist Compact Fluorescent Sylvania Light Bulb (Sylvania CF40EL/TWIST/RP 2700K 29786)
40 watt 120 volt T4 Medium Screw (E26) Base 2,700K Twist Compact Fluorescent
Manufacturer: Sylvania
Manufacturer Code: CF40EL/TWIST/RP 2700K
Service Lighting Part #: SL29786
$17.16 
40 watt 120 volt Quad HighMax Medium Screw (E26) Base High Power Factor 5,000K Compact Fluorescent Maxlite Light Bulb (Maxlite SKQ40EA50 5U 120V E26 HPF 5000K 10000HR HIGHMAX CF 11211)
40 watt 120 volt Quad HighMax Medium Screw (E26) Base High Power Factor 5,000K Compact Fluorescent
Manufacturer: Maxlite
Manufacturer Code: SKQ40EA50 5U 120V E26 HPF 5000K 10000HR HIGHMAX CF
Service Lighting Part #: MX11211
$36.35 
42 watts
42 watt 120 volt Medium Screw (E26) Base 2,700K 10,000 Hour Spiral-Lite Low Profile Twist Compact Fluorescent Litetronics Light Bulb (Litetronics l-42427 42W SPLP 27 BD 56840)
42 watt 120 volt Medium Screw (E26) Base 2,700K 10,000 Hour Spiral-Lite Low Profile Twist Compact Fluorescent
Manufacturer: Litetronics
Manufacturer Code: l-42427 42W SPLP 27 BD
Service Lighting Part #: LT56840
$11.92 
42 watt 120 volt Medium Screw (E26) Base 2,700K Spiral Compact Fluorescent Eiko Light Bulb (Eiko SP42/27K 05420)
42 watt 120 volt Medium Screw (E26) Base 2,700K Spiral Compact Fluorescent
Manufacturer: Eiko
Manufacturer Code: SP42/27K
Service Lighting Part #: EK05420
$12.26 
42 watt 120 volt Medium Screw (E26) Base 2,700K SpringLamp Compact Fluorescent TCP Light Bulb (TCP 28942 27K 42W 10M SPRINGLAMP 28942)
42 watt 120 volt Medium Screw (E26) Base 2,700K SpringLamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942 27K 42W 10M SPRINGLAMP
Service Lighting Part #: TC28942
$16.15 
42 watt 120 volt Medium Screw (E26) Base 3,500K Spiral Compact Fluorescent Eiko Light Bulb (Eiko SP42/35K 05421)
42 watt 120 volt Medium Screw (E26) Base 3,500K Spiral Compact Fluorescent
Manufacturer: Eiko
Manufacturer Code: SP42/35K
Service Lighting Part #: EK05421
$12.26 
42 watt 120 volt Medium Screw (E26) Base 4,100K Spiral Compact Fluorescent Eiko Light Bulb (Eiko SP42/41K 05422)
42 watt 120 volt Medium Screw (E26) Base 4,100K Spiral Compact Fluorescent
Manufacturer: Eiko
Manufacturer Code: SP42/41K
Service Lighting Part #: EK05422
$12.26 
42 watt 120 volt Medium Screw (E26) Base 4,100K SpringLamp Compact Fluorescent TCP Light Bulb (TCP 28942-41K 42 W 10M SPRINGLAMP ENERGY STAR RATED 29068)
42 watt 120 volt Medium Screw (E26) Base 4,100K SpringLamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942-41K 42 W 10M SPRINGLAMP ENERGY STAR RATED
Service Lighting Part #: TC29068
$16.15 
42 watt 120 volt Medium Screw (E26) Base 5,000K Spiral Compact Fluorescent Eiko Light Bulb (Eiko SP42/50K 05423)
42 watt 120 volt Medium Screw (E26) Base 5,000K Spiral Compact Fluorescent
Manufacturer: Eiko
Manufacturer Code: SP42/50K
Service Lighting Part #: EK05423
$12.26 
42 watt 120 volt Medium Screw (E26) Base 5,100K SpringLamp Compact Fluorescent TCP Light Bulb (TCP 28942 51K 42W 10M SPRINGLAMP 29069)
42 watt 120 volt Medium Screw (E26) Base 5,100K SpringLamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942 51K 42W 10M SPRINGLAMP
Service Lighting Part #: TC29069
$16.15 
42 watt 120 volt Medium Screw (E26) Base 6,500K Full Spectrum SpringLamp Compact Fluorescent TCP Light Bulb (TCP 28942 65K 42W 10M SPRINGLAMP 29070)
42 watt 120 volt Medium Screw (E26) Base 6,500K Full Spectrum SpringLamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942 65K 42W 10M SPRINGLAMP
Service Lighting Part #: TC29070
$16.15 
42 watt 120 volt Medium Screw (E26) Base Soft Pink SpringLamp Compact Fluorescent TCP Light Bulb (TCP 28942-SP 42W 10M SOFT PINK SPRINGLAMP 03461)
42 watt 120 volt Medium Screw (E26) Base Soft Pink SpringLamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942-SP 42W 10M SOFT PINK SPRINGLAMP
Service Lighting Part #: TC03461
$25.24 
42 watt 120 volt MicroMax Spiral Medium Screw (E26) Base 4,100K Cool White Compact Fluorescent Maxlite Light Bulb (Maxlite MLM42SCW Mini Spiral Cool White 41021)
42 watt 120 volt MicroMax Spiral Medium Screw (E26) Base 4,100K Cool White Compact Fluorescent
Manufacturer: Maxlite
Manufacturer Code: MLM42SCW Mini Spiral Cool White
Service Lighting Part #: MX41021
$15.14 
42 watt 120 volt MicroMax Spiral Medium Screw (E26) Base 5,000K Daylight Compact Fluorescent Maxlite Light Bulb (Maxlite MLM42SDL Mini Spiral Daylight 41026)
42 watt 120 volt MicroMax Spiral Medium Screw (E26) Base 5,000K Daylight Compact Fluorescent
Manufacturer: Maxlite
Manufacturer Code: MLM42SDL Mini Spiral Daylight
Service Lighting Part #: MX41026
$15.14 
42 watt 120 volt Mogul Screw (E39) Base 4,100K Springlamp Compact Fluorescent TCP Light Bulb (TCP 28942H-41K 42W MOGUL BASE 120V 4100K 00966)
42 watt 120 volt Mogul Screw (E39) Base 4,100K Springlamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942H-41K 42W MOGUL BASE 120V 4100K
Service Lighting Part #: TC00966
$18.17 
42 watt 120 volt Mogul Screw (E39) Base Twist Compact Fluorescent TCP Light Bulb (TCP 28942H 42W MOGUL BASE 120V 00851)
42 watt 120 volt Mogul Screw (E39) Base Twist Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942H 42W MOGUL BASE 120V
Service Lighting Part #: TC00851
$19.18 
42 watt 120 volt Twist Medium Screw (E26) Base 2,700K Compact Fluorescent Westinghouse Light Bulb (Westinghouse 42TWIST/27/CD 36645)
42 watt 120 volt Twist Medium Screw (E26) Base 2,700K Compact Fluorescent
Manufacturer: Westinghouse
Manufacturer Code: 42TWIST/27/CD
Service Lighting Part #: AL36645
$13.12 
42 watt 277 volt Medium Screw (E26) Base 4,100K Springlamp Compact Fluorescent TCP Light Bulb (TCP 28942277-41K 02608)
42 watt 277 volt Medium Screw (E26) Base 4,100K Springlamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942277-41K
Service Lighting Part #: TC02608
$20.19 
42 watt 277 volt Mogul Screw (E39) Base 4,100K Springlamp Compact Fluorescent TCP Light Bulb (TCP 28942H-277-41K 42W MOGUL BASE SPRINGLAMP 277V 41K 00971)
42 watt 277 volt Mogul Screw (E39) Base 4,100K Springlamp Compact Fluorescent
Manufacturer: TCP
Manufacturer Code: 28942H-277-41K 42W MOGUL BASE SPRINGLAMP 277V 41K
Service Lighting Part #: TC00971
$23.22 

Brand: Watts: Bulb: Base:

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