
GE
GE 11084 Circline T9 22-Watt Warm Light Bulb
★★★★★
1.1 inch
A 22-watt circline fluorescent bulb that delivers 1400 lumens of warm light and lasts up to 5.5 years.
$13.48*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
8.25-Inch long
1.1 inch diameter T9 Circline with 4-pin (g10q) base
Uses 22-watts
Provides 1400 lumens
Lasts 5.5 years based on 6 hours per day usage
Specifications
Bulb Type
T9 Circline Fluorescent
Wattage
22W
Lumen Output
1400 Lumens
Light Color
Warm Light
Base Type
4-Pin (G10q)
Length
8.25 inches
Tube Diameter
1.1 inches
Rated Lifespan
5.5 Years (based on 6 hours/day)
Pros & Cons
👍 Pros
- 1400 lumens from just 22 watts provides bright, energy-efficient illumination
- Warm light tone creates a comfortable and inviting atmosphere for living spaces
- 5.5-year rated lifespan reduces the frequency of bulb replacements
- Standard 4-pin G10q base fits common circline fixtures
👎 Cons
- Fluorescent technology does not dim smoothly and may not be compatible with dimmer switches
- Contains a small amount of mercury, requiring proper disposal and recycling
- Takes a brief moment to reach full brightness after switching on, unlike instant-on LED alternatives
- Circline form factor limits this bulb to fixtures specifically designed for circular fluorescent tubes
Frequently Asked Questions
What base type does the GE 11084 circline bulb use?
It uses a 4-pin G10q base, which is the standard connection for circline fluorescent fixtures. Verify your fixture uses this base type before purchasing.
How long does this bulb last?
GE rates this bulb at 5.5 years of lifespan based on an average usage of 6 hours per day.
What is the diameter and size of this circline bulb?
The bulb is a T9 circline type, measuring 8.25 inches in length with a 1.1-inch tube diameter. Check your fixture's size requirements to ensure compatibility.
What color temperature does this bulb produce?
This is a warm light circline bulb, producing a softer, warmer tone suited for living areas, kitchens, and bathrooms where a comfortable ambient light is preferred.