my bulbs are 20 inches long, are these the same?

The tube is 20 and 1/4 inches long, but counting the pins on both ends it's a total of almost 21 inches. Check the full length of your fixture taking into account the extra amount for the pins.

are these bulbs made in china?

Yes, according to the box in which the are packed.

What is the difference between f17t8 and f13t5??

The length and the wattage of the bulbs are different.

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Description

💡 Light up your space, save your time—shine smarter, not harder!

ENERGY SMART CHOICE - Only 13 watts for 880 lumens—bright light with minimal power consumption.
INSTANT ON NO WAIT - Experience immediate full brightness—no more dim startup moments.
ULTRA LONG LIFESPAN - 12,000 hours of reliable lighting means fewer replacements and less hassle.
COMPACT SLEEK DESIGN - Slim T5 tube with G5 mini bi-pin base fits seamlessly into modern fixtures.
PERFECT COOL WHITE GLOW - 4100K color temperature delivers crisp, professional lighting ideal for workspaces.

This pack of two Unique Bulbs F13T5/CW fluorescent tubes offers efficient 13-watt power with a crisp 4100K cool white light. Featuring instant-on technology and a super long 12,000-hour lifespan, these T5 tubes with G5 mini bi-pin bases are perfect for professional indoor environments seeking bright, reliable, and energy-saving illumination.

Specifications

Brand	Unique Bulbs
Light Type	Fluorescent
Special Feature	Instant On
Wattage	13 watts
Bulb Shape Size	T8
Bulb Base	G5.3
Incandescent Equivalent Wattage	13 Watts
Specific Uses For Product	bulb
Light Color	white
Voltage	120
Unit Count	2.0 Count
Color Temperature	4100 Kelvin
Number of Items	2
Brightness	880 Lumen
Material	Glass
Model Name	F13T5
Indoor/Outdoor Usage	Indoor
Color Rendering Index	80
Power Consumption	13 Watts
Item Package Quantity	2
Light Source Type	Fluorescent
Item Weight	0.24 Pounds
Light Source Wattage	13 Watts
Product Dimensions	2"W x 1"H
Bulb Diameter	2 Inches
Control Method	App
Manufacturer	Unique Bulbs
UPC	617395103621
Part Number	f13t5
Item Weight	3.84 ounces
Item model number	F13T5
Is Discontinued By Manufacturer	No
Color	White
Finish types	White
Included Components	Bulb
Special Features	Instant On
Batteries Included?	No
Batteries Required?	No
Wattage	13 Watts

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