Lumenivo 13W Quad Tube GX23-2 CFL Bulb 2700K Warm White - 10 Pack

In this review the Lumenivo 13W Quad Tube fluorescent lamp is evaluated as a straightforward replacement option for small indoor fixtures. The bottom line: this 10 pack is for anyone who needs compact, warm white light with simple plug-in installation and long life at a low price. It stands out because the U-shaped 13W design delivers about 810 lumens in a warm 2700K glow while fitting GX23-2 2-pin sockets, making it especially useful where compact, warm illumination is required and frequent replacement would be inconvenient.

Key Features

• 13W quad tube: Provides a compact U-shaped lamp that produces about 810 lumens while using low power compared with older incandescent options.
• 2700K warm white: Emits a soft, warm glow that is comfortable for living spaces and close-work areas like desk and floor lamps.
• GX23-2 2-pin base: Designed to plug directly into compatible GX23 sockets for an easy, tool-free replacement.
• Rated life 10,000 hours: Offers extended runtime to reduce the frequency of replacements and lower lifetime maintenance cost.
• CRI 82: Renders colors reasonably faithfully for everyday indoor tasks such as reading or general room lighting.
• 10 pack convenience: Supplied in a set of ten so multiple fixtures or backup needs are covered without repeated ordering.

Who It's For

The Lumenivo 13W quad tube is best for homeowners or renters who have lamps or emergency luminaires that accept a GX23-2 two-pin CFL and who want a warm, energy-conscious replacement. It suits desk lamps, floor lamps, and compact fixtures where a short, U-shaped bulb is required and a warm 2700K atmosphere is preferred.

It is not for users who need cooler daylight tones, integrated LED technology, or those with fixtures that use different bases such as G23. Also, anyone seeking the highest color fidelity for photography or color-critical work should consider alternatives with higher CRI.

Pros & Cons

Pros

• Warm 2700K output delivers comfortable ambient light suited for living areas and bedside lamps.
• Compact U-shaped form factor fits small fixtures and emergency luminaires that require GX23-2 bases.
• Long rated life of 10,000 hours helps reduce replacement frequency and costs over time.
• Sold in a 10 pack for convenient stocking of multiple fixtures or replacements.

Cons

• Only compatible with GX23-2 sockets and cannot be used in other base types, so socket compatibility must be confirmed.
• CRI 82 is acceptable for general use but not ideal when highly accurate color rendering is needed.

Specifications

Wattage	13W
Light output	810 lumens
Color temperature	2700K (warm white)
Base type	GX23-2 2-pin
Color rendering index	CRI 82
Rated life	10,000 hours
Pack size	10 pack

Our Verdict

The Lumenivo 13W quad tube is a practical, value-oriented choice for anyone with GX23-2 fixtures who wants warm, efficient lighting without complexity. It delivers solid lifetime and lumen output for reading and general indoor use, and the 10 pack makes it economical for multiple fixtures. Confirm socket compatibility and color needs before buying, but for routine household lighting this pack is good value.

Frequently Asked Questions

Will this bulb fit my lamp?
It fits only sockets that accept a GX23-2 2-pin base, so check your fixture base before purchasing.

What color and brightness does it produce?
The lamp produces warm white 2700K light at about 810 lumens, suitable for ambient and task lighting.

How long do these bulbs last?
The manufacturer rates the bulbs for approximately 10,000 hours of use under normal conditions.