KosunRefill BF-150 40W Black Light Bulb - 12-Inch U-Shape, 2-Pack, 365nm UV for Flowtron/Stinger/Wall Sconce

Product overview

Meet the KosunRefill BF-150 40W black light bulb. This 12 inch U shape UV lamp is built for straightforward replacement in fixtures that use a GX10q 4-pin base. The tight U design concentrates the ultraviolet glow where it matters, while a 365 nm peak wavelength delivers a vivid glow under appropriate materials without altering visible light in normal conditions.

Key specifications

• 12 inch length with a tight U shape for compatibility with existing fixtures
• 40W intensity paired with a 365 nm UV output for strong fluorescence on suitable surfaces
• Estimated 6000 hours of service life for longer intervals between replacements
• Easy to install; a straightforward plug-and-play replacement in GX10q base fixtures

Compatibility and setup tips

• Designed to fit Flowtron BK-40, BK-80D, Stinger b4040, FC7600, and select wall sconces with a 12 inch U-shape
• GX10q 4-pin base ensures a secure electrical connection
• If the fixture is not lighting, consider the starter or transverter as a possible cause and replace if needed

Two pack value

Choosing a 2 pack gives you a ready spare for quick swaps, minimizing downtime and keeping UV lighting ready for ongoing projects or displays.

What you may notice in use

• Bright UV glow that highlights fluorescent materials and accents
• Reliable performance across compatible fixtures with regular operation
• Low maintenance with a long life that reduces the frequency of replacements

Usage suggestions

Ideal for hobby projects, art displays, or educational setups that benefit from ultraviolet enhancement. The 12 inch U-shape helps focus light within compact fixtures without obstruction.