Circle 6 Pack F17T8/865 17W 24in T8 Fluorescent Tubes - Daylight

In this review of the Circle 6 Pack F17T8/865 fluorescent tubes, the bottom line is clear: these bulbs suit anyone seeking consistent daylight white illumination across multiple fixtures without high energy use. The reviewer found the set useful for kitchens, garages, classrooms, and task areas where a true 6500K color and moderate lumen output are desired. The most convincing reason to buy is the combination of a full 6-pack and energy-efficient 17 watt performance that delivers reliable light while keeping replacement simple and uniform in color.

Key Features

• Energy-Efficient Performance: Uses only 17 watts while producing up to 1,400 lumens, which helps reduce electricity use compared with older, higher wattage tubes.
• Medium Bi-Pin (G13) Base: Fits standard T8 fixtures and installs quickly into most instant and rapid start ballasts for straightforward replacement.
• Durable 24in Tube Design: The 24in length is built for consistent output across fixtures and is sized to replace common short T8 tubes.
• 6500K Daylight White: Provides a crisp daylight color useful for task lighting and areas that need clear, cool illumination.
• Value Pack of 6: Includes six bulbs for uniform color and convenient simultaneous replacement across several fixtures.

Who It's For

These fluorescent tubes are best for homeowners, small businesses, and facility managers who need a consistent daylight white output in kitchens, workshops, basements, classrooms, and commercial task areas. The set is particularly useful when multiple fixtures require replacement and uniform color is important.

Customers who require very high lumen output for large open spaces or who demand the longest possible lifetime from a single lamp should consider higher-output or longer-life alternatives; also those who need LED conversions to eliminate ballast compatibility concerns may want to look elsewhere.

Pros & Cons

Pros

• Energy-efficient 17W operation gives good brightness with lower power draw.
• 6500K color renders a clean, daylight white useful for task-focused spaces.
• Six-bulb pack offers consistent color and value for replacing multiple fixtures at once.
• Standard G13 bi-pin base makes installation quick in most T8 fixtures.

Cons

• Some users report mixed longevity, so durability may vary compared with longer-life products.
• Brightness is moderate; those needing very high lumen levels may prefer higher wattage or LED options.

Specifications

Brand	Circle
Model	F17T8/865
Wattage	17 watts
Length	24 in
Color Temperature	6500K Daylight White
Base	Medium Bi-Pin (G13)
Pack Size	6 bulbs

Our Verdict

The Circle 6 Pack F17T8/865 is a sensible value purchase for anyone replacing several T8 fixtures and wanting a consistent 6500K daylight white. It delivers respectable brightness at 17W and simple installation, making it a good choice for homes, workshops, and small commercial spaces, though buyers seeking maximum longevity or higher lumen output may prefer alternative lamp types.

Frequently Asked Questions

Will these fit standard T8 fixtures?
Yes, they use a medium bi-pin G13 base and are designed to fit standard T8 fixtures and most instant or rapid start ballasts.

How bright are these bulbs?
Each tube produces up to about 1,400 lumens at 17 watts, offering moderate to strong illumination for task and utility areas.

Is the color warm or cool?
These tubes are 6500K, which is a cool, daylight white well suited to tasks that need clear, crisp light.