Replacement Light Bulb for SUNBOX SB-689 SAD Therapy - 65W T4 GX10Q-4

Replacement for SUNBOX SB-689 units, this T4 full spectrum bulb delivers 65 watts of output through a GX10Q-4 4 pin base in a square configuration and operates at 6500 color temperature.

Key Features & Benefits

• 65 watt power rating supports full spectrum output requirements
• T4 shape with GX10Q-4 base matches original equipment configuration
• 6500 color temperature provides the specified light characteristics

Product Specifications

• Watts: 65
• Base: GX10Q-4 4 PIN BASE IN A SQUARE
• Shape: T4
• Color Temp: 6500

Replacement Compatibility

fits SUNBOX SB-689 and similar units requiring this exact T4 full spectrum configuration.

Discover the Perfect Replacement

Confirm your unit model and base type to ensure this bulb matches the required specifications for continued operation in SAD light therapy setups.

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.