Replacement for Halco F21T5/835/ECO/IC - 21W, Linear T5, Bipin Base

A replacement for the Halco F21T5/835/ECO/IC, this 21-watt T5 tube delivers consistent performance. The compact T5 format maximizes lumens per watt in modern fixture designs. Features a G5 miniature bi-pin base.

At 1974 lumens, light output is solid - appropriate for general ambient and task lighting. The 3500K neutral white color temperature produces light that feels balanced and versatile - striking a perfect middle ground. With 82 CRI, colors render naturally - meeting the standard expected in professional environments.

Key Features & Benefits

• Neutral 3500K Output: Neither too warm nor too cool.
• Light Output: 1974 lumens ensures adequate illumination.
• 82 CRI: Good color rendering for natural appearance.
• Flicker-Free Performance: Smooth illumination with compatible ballasts.
• G5 Miniature Bi-Pin Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: F21T5/835/ECO/IC
• Wattage: 21 Watts
• Color Temperature: 3500K (Neutral White)
• Lumens: 1974
• CRI: 82
• Base: G5
• Shape: T5
• Condition: Brand New

Common Applications

This linear 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.