Replacement for Lumapro 4V579 - 40W, Daylight, Linear T12, 2-Pin Base

A 48-inch (4-foot) replacement for the Lumapro 4V579, this 40-watt T12 tube delivers consistent performance. With its 1.5-inch diameter, the T12 profile fits legacy fixtures still common in many buildings. Features a medium bi-pin base.

With 2250 lumens of output, illumination is well-balanced for most standard applications. The 5000K daylight color temperature produces light that feels fresh and invigorating - close to natural midday sunlight. With an exceptional 93 CRI, colors appear vibrant and true to life. Skin tones look natural and color-matching tasks become more reliable.

Key Features & Benefits

• Daylight 5000K Color: Energizing, color-accurate light.
• 2250 Lumen Output: Reliable brightness for the rated wattage.
• 93 CRI: Exceptional color accuracy - colors appear true to life.
• Consistent Output: Maintains rated lumens throughout service life.
• Medium Bi-Pin Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: 4V579
• Wattage: 40 Watts
• Color Temperature: 5000K (Daylight)
• Lumens: 2250
• CRI: 93
• Base: G13
• Shape: T12
• Condition: Brand New

Common Applications

This fluorescent tube is commonly found in:

• Office Lighting
• Retail Stores
• Workshops & Garages
• Industrial Facilities

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.