Replacement for Eiko F21T5/CW - 21W, Cool White, Linear T5, Bipin Base

This 21-watt T5 fluorescent tube replaces the Eiko F21T5/CW. The compact T5 format maximizes lumens per watt in modern fixture designs. Features a G5 miniature bi-pin base for drop-in replacement in compatible fixtures.

With 1974 lumens of output, illumination is well-balanced for most standard applications. The 4100K cool white color temperature produces light that feels crisp and focused - promoting alertness and concentration. At 82 CRI, color rendering meets commercial standards with colors appearing natural and accurate.

Key Features & Benefits

• Cool 4100K Output: Clean, professional-grade illumination.
• 1974 Lumens: Strong light output for effective coverage.
• 82 CRI: Good color rendering for natural appearance.
• Instant-On Operation: Full brightness immediately upon starting.
• G5 Miniature Bi-Pin Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: F21T5/CW
• Wattage: 21 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 1974
• CRI: 82
• Base: G5
• Shape: T5
• Condition: Brand New

Common Applications

This fluorescent tube is commonly found in:

• Commercial Buildings
• Office Environments
• Retail Spaces
• Residential Applications

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.