Crompton Lamps 40W T9 Fluorescent Circular 4 Pin Light Bulbs | Cool White 4000K | Energy Efficient Tube | Long-Lasting 10,000 Hours | GR10q Base for Magnifiers & Ceiling Lights

• Bright, Cool White Illumination – These T9 circular fluorescent light tubes deliver a crisp 4000K cool white output, providing clear, bright lighting ideal for detailed tasks and precision work.
• Long-Lasting Performance – This durable 22W fluorescent tube lasts up to 10,000 hours, reducing the need for frequent replacements, making it ideal for workspaces, offices, and commercial settings.
• Easy 4-Pin Installation – Fitted with a GR10q 4-pin square push-fit base, ensuring quick and secure installation in compatible inspection lamps, magnifiers, and circular ceiling lights.
• Professional-Grade Lighting – Ideal for magnifying lamps, medical inspections, beauty salons, and detailed craftsmanship, these cool white fluorescent lights ensures even, shadow-free lighting.
• Energy-Efficient & Flicker-Free – Triphosphor technology ensures bright, stable lighting with CRI >80, reducing flicker and making it a great upgrade from older fluorescent or neon tubes.

Product Description Circular Triphosphorous fluorescent tubes with 29mm tube diameter for use with decorative luminaires, offering energy efficiency and value for money. 10,000 hour life. SPECTRA-PLUS Triphosphorous. Excellent colour rendering and high lumen maintenance. Box Contains Light Bulb