Replacement for Verilux HEF1 - 27W, Full Spectrum, Flat Tube, 4-Pin Base

The unique FML shape of this 27-watt CFL features a flat, square profile that fits specific Verilux lamp designs. This lamp is a direct replacement for the Verilux HEF1. With a 6500K color temperature, it produces a cooler, more energizing daylight tone compared to standard 6500K tubes.

The GX10Q-4 4-pin base provides a secure, reliable connection in compatible fixtures. This lamp is commonly used in light therapy devices and task lamps where bright, cool daylight output is preferred.

Key Features & Benefits

• Cool Daylight Output: 6500K color temperature for bright, energizing light.
• Flat FML Design: Unique square profile fits specific Verilux fixtures.
• 4-Pin Plug-In Base: GX10Q-4 connection for compatible lamps.
• Light Therapy Ready: High color temperature suited for SAD and wellness applications.

Product Specifications

• MPN: HEF1
• Wattage: 27 Watts
• Color Temperature: 6500K (Daylight)
• Base Type: GX10Q-4 (4-Pin Square)
• Bulb Shape: FML Flat Tube
• Condition: Brand New

Common Applications

Typically used in:

• Verilux Light Therapy Lamps
• SAD Treatment Devices
• Task & Desk Lamps
• Bright Light Therapy Fixtures

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.