Replacement for GE 39977 - 21W, Linear T5, Bipin Base

This 21-watt T5 linear fluorescent tube replaces the GE 39977. The slim T5 design (5/8-inch diameter) delivers high efficiency in a compact package. Features a G5 miniature bi-pin base for drop-in replacement in compatible fixtures.

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 - neither warm nor cool. At 82 CRI, color rendering meets commercial standards with colors appearing natural and accurate.

Key Features & Benefits

• Neutral 3500K Color: Versatile color temperature for varied settings.
• 1974 Lumens: Strong light output for effective coverage.
• 82 CRI: Good color rendering for natural appearance.
• G5 Miniature Bi-Pin Base: Direct fit for compatible fixtures.

Product Specifications

• MPN: 39977
• 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.