Description
Product Overview
The CHKADAWA FC8T9 22W circular fluorescent bulb is engineered with advanced tri-phosphor technology to deliver 1250 lumens of super bright, energy-efficient illumination. Featuring an 8-inch outside diameter and a standard 4-pin G10q base, this bulb operates at a 6400K/6500K daylight color temperature with a CRI of 80+/82 for accurate color rendering. Key specifications include product dimensions of 8 x 8 x 1.1 inches, a weight of 14.14 ounces, model number CH-T9C22DL, and an average lifespan of 16,000 hours when used with compatible electronic or magnetic ballasts. Manufactured by CHKADAWA and first available in September 2021, it is designed as a direct replacement for various major brand circular bulbs.

Usage
This circular fluorescent bulb is ideal for residential and commercial settings where consistent, bright lighting is essential. It is commonly installed in kitchen and bathroom ceiling fixtures, providing clear visibility for cooking, cleaning, and grooming tasks. The daylight spectrum enhances focus in workspaces like garages or offices, while its compatibility with fixtures from Sunlite, Sylvania, Philips, and GE ensures easy integration into existing setups. Homeowners, facility managers, and DIY enthusiasts will appreciate its straightforward replacement for 8-inch T9 22W circle bulbs, making it suitable for retrofitting older lighting systems without modifications.
Why Choose Us
CHKADAWA prioritizes quality and durability, with this bulb offering a long 16,000-hour lifespan that reduces replacement frequency and maintenance costs. The tri-phosphor technology not only ensures high luminous flux but also maintains consistent performance over time, outperforming many standard fluorescent options. Customers benefit from its energy-saving design, which lowers electricity bills while providing ample illumination. With a high customer rating of 4.6 out of 5 stars from 387 reviews, this product is trusted for its reliability and broad compatibility, backed by rigorous manufacturing standards to meet everyday lighting demands.
Key Features
- Super bright 1250 lumens output with 6400K daylight spectrum for clear, natural lighting
- Energy-efficient tri-phosphor technology that reduces power consumption and operating costs
- Long 16,000-hour lifespan minimizes replacements and ensures dependable performance
- Standard 4-pin G10q base for easy installation in compatible circular fixtures
- Broad compatibility with major brands like Sunlite, Sylvania, Philips, and GE for versatile use
FAQ
What is the color temperature of this bulb?
The bulb has a color temperature of 6400K/6500K, which produces a daylight spectrum that is bright and ideal for tasks requiring high visibility.
Is this bulb compatible with my existing fixture?
Yes, it features a standard 4-pin G10q base and is designed to replace 8-inch T9 22W circular bulbs, working with electronic or magnetic ballasts from brands like Sunlite, Sylvania, Philips, and GE.
How long does the bulb typically last?
It has an average lifespan of 16,000 hours, meaning it can last for years with regular use, reducing the need for frequent changes.
Can I use this bulb in damp locations like bathrooms?
While it is suitable for bathroom and kitchen fixtures, always check your fixture’s specifications for damp location ratings to ensure safe operation.
What is the lumens output of this fluorescent bulb?
It delivers 1250 lumens, providing bright illumination that is effective for areas like kitchens, bathrooms, and workspaces.




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