Replacement for Athalon F40/30BX/SPX50 - 50W, Daylight, Long Twin Tube, 4-Pin Base

This 50-watt T4 long twin tube CFL replaces the Athalon F40/30BX/SPX50. Featuring a 2G11 4-pin base, it provides reliable illumination with consistent performance throughout its rated life.

Output of 4000 lumens provides strong, effective illumination suitable for most environments. The 5000K daylight color temperature produces light that feels energizing and alert - close to natural midday sunlight. At 82 CRI, color rendering meets commercial standards with colors appearing natural and accurate.

Key Features & Benefits

• Daylight 5000K Color: Energizing, color-accurate light.
• 4000 Lumens: Strong light output for effective coverage.
• 82 CRI: Good color rendering for natural appearance.
• 2G11 4-Pin Base: Direct fit for compatible fixtures.

Product Specifications

• MPN: F40/30BX/SPX50
• Wattage: 50 Watts
• Color Temperature: 5000K (Daylight)
• Lumens: 4000
• CRI: 82
• Base: 2G11
• Shape: T4
• Condition: Brand New

Common Applications

This long twin tube CFL is commonly found in:

• Recessed Downlights
• Table & Floor Lamps
• Ceiling Fixtures
• Commercial 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.