Replacement for CHALLENGER 22 STERIS Halogen - T4 Shape GY9.5 Base 235W 33V with Frosted Finish

When the lamp in your surgical operating light and sterilization equipment reaches end of life, this compatible replacement for the CHALLENGER 22 by STERIS gets you back up and running. It matches the original at 235W, 33V, T4 form factor with a GY9.5 bi-pin prefocus base for a direct fit.

This lamp delivers the bright, shadow-free illumination that surgical and examination environments depend on for accurate clinical visualization. It provides high color rendering and stable output that supports tissue differentiation and visual clarity during procedures and assessments. It maintains optimal lighting conditions throughout its rated life, helping operating rooms and exam suites perform at their best.

Key Features & Benefits

• 6,000 lumens of rated output for strong, consistent illumination.
• Fits standard GY9.5 bi-pin prefocus base sockets for straightforward replacement.
• T4 form factor with frosted finish for controlled light output.
• Operates at 235W, 33V to match standard low-voltage circuits.

Product Specifications

• Wattage: 235W
• Voltage: 33V
• Base Type: GY9.5
• Bulb Shape: T4
• Finish: Frosted Finish
• Lumens: 6,000
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Surgical operating room ceiling lights
• Minor procedure examination lamps
• Patient examination room fixtures
• Surgical task lighting and headlamps
• Clinical assessment and diagnostic 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.