4 Foot FluorescentNatural - 40W, 3600K CW, G13

This 40-watt T12 linear fluorescent tube delivers reliable illumination in a standard 48 Inches (4 Feet) form factor. Built with a G13 medium bi-pin base, it fits standard fluorescent fixtures.

Producing 2100 lumens at 3600K cool white, this lamp delivers bright, clean illumination ideal for offices, retail environments, and commercial spaces. A CRI of 86 ensures colors appear natural and accurate under its light.

Key Features & Benefits

• Cool White Output: 3600K color temperature delivers bright, clean illumination for workspaces.
• High Lumen Output: 2100 lumens delivers powerful illumination for large areas.
• Excellent Color Rendering: CRI of 86 ensures colors appear vibrant and accurate.
• G13 Medium Bi-Pin Base: Standard connection for compatible fluorescent fixtures.
• T12 Efficiency: Slim 1.5-inch diameter delivers excellent output per watt.

Product Specifications

• Wattage: 40 Watts
• Color Temperature: 3600K (Cool White)
• Lumens: 2100
• CRI: 86
• Length: 48 Inches (4 Feet)
• Base Type: G13 Medium Bi-Pin
• Bulb Shape: T12 Linear
• Condition: Brand New

Common Applications

This T12 tube is commonly found in:

• Garage & Workshop Lighting
• Warehouse & Storage Areas
• Industrial & Manufacturing Facilities
• Retrofit & Legacy Fixture Maintenance
• Utility & Basement Lighting

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.