where are these made?

DO NOT BUY THESE. I've gone through THREE bulbs so far. On the HI power setting, they burned out after 4 hours of usage (average). Low power (100w-ish?) probably last little more than a week. These bulbs were made in China, so you get what you pay for.

anyone the the efficacy of these bulbs (lumens/watt)?

This bulb has a power of 250 watts and a brightness of 4,500 Lumens.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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250-Watt 3.1-Inch T3 Halogen Bulbs(5 Pack) - J Type 78mm Double Ended 120 Volts 250 Watt T3 Halogen Bulbs R7S Double Ended Filament Flood Lights Quartz Tube Lamps 120V,5 Pack

250-Watt 3.1-Inch T3 Halogen Bulbs(5 Pack) - J Type 78mm Double Ended 120 Volts 250 Watt T3 Halogen Bulbs R7S Double Ended Filament Flood Lights Quartz Tube Lamps 120V,5 Pack

Product ID: 43544616

Details

Brand
CTKcom
Bulb Shape Size
T3
Light Type
Halogen
Special Feature
Dimmable Needs
Wattage
250 watts

⏳2000 hrs long life

💡250W high brightness

🔌120V versatile voltage

€ 23.12

Duties & taxes included

In stock

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Description

💡 Light up your world with power and longevity—don’t get left in the dark!

SLEEK DOUBLE ENDED DESIGN - Optimized 78mm T3 quartz tube ensures even light distribution and durability.
VERSATILE AMBIANCE CREATOR - Perfect for homes, offices, restaurants, and outdoor settings—light up your lifestyle.
BRILLIANT 250 W ILLUMINATION - Power your space with intense, crisp white light that elevates any environment.
ENDURING 2000 HOUR LIFESPAN - Less hassle, more glow—enjoy extended use without frequent replacements.
UNIVERSAL 120 V COMPATIBILITY - Seamlessly fits standard home and office fixtures for instant upgrade.

The CTKcom 250-Watt T3 Halogen Bulbs (5 Pack) deliver high-brightness white light with a durable 2000-hour lifespan. Featuring a double-ended R7S base and 78mm quartz tube design, these 120V bulbs fit a wide range of indoor and outdoor fixtures, making them ideal for professional and home environments seeking reliable, powerful illumination.

Specifications

ASIN	B01NART3WJ
Accepted Voltage Frequency	100 to 120 Volts and 60 Hertz
Additional Features	Dimmable, Needs recycling
Best Sellers Rank	#10,892 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #59 in Halogen Bulbs
Brand Name	CTKcom
Bulb Shape Size	T3
Color	White
Color Rendering Index	80
Connectivity Technology	Normal bulb
Control Method	App
Controller Type	Push Button
Customer Reviews	4.4 4.4 out of 5 stars (1,245)
Incandescent Equivalent Wattage	250 watts
Included Components	5 Halogen Bulbs
Indoor Outdoor Usage	Outdoor
Item Weight	1.44 ounces
Light Color	white
Light Source Operating Life	2000 hours
Light Source Type	Halogen
Light Source Wattage	250 watts
Light Type	Halogen, Incandescent
Manufacturer	CTKcom
Manufacturer Part Number	CTK098-250
Material Type	120v 250w halogen bulb halogen bulb t3 78mm Double Ended j type halogen bulb r7s 4.65 inch halogen halogen mini candelabra t3 halogen bulb 118mm t3 halogen bulb ctkcom halogen light bulbs 120 volt phillips halogen bulb Quartz glass halogen bulb
Model Number	CTK098-250
Number of Items	1
Package Quantity	1
Power Consumption	250 watts
Power Source	Corded Electric
Shape	t3
Specific Uses For Product	Lamp
UPC	798216385539
Unit Count	5 Count
Voltage	120 volts
Wattage	250 watts
White Brightness	250 lumens

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