Replacement for 12356 PHILIPS Halogen - T3 Shape BAY9S Base 21W 12V with Clear Finish

When the lamp in your commercial, medical, and specialty lighting application reaches end of life, this compatible replacement for the 12356 by PHILIPS gets you back up and running. It matches the original at 21W, 12V, T3 form factor with a BAY9S base for a direct fit.

This lamp produces a warm, full-spectrum light that makes spaces feel inviting and shows products, interiors, and architectural details at their best. It reaches full brightness the moment it is switched on, with no warm-up period, and dims smoothly across its full range. Its compact form factor fits a wide variety of commercial and residential fixture types.

Key Features & Benefits

• Fits standard BAY9S base sockets for straightforward replacement.
• T3 form factor with clear finish for controlled light output.
• Rated 21W, 12V - sized for standard low-voltage electrical systems.

Product Specifications

• Wattage: 21W
• Voltage: 12V
• Base Type: BAY9S
• Bulb Shape: T3
• Finish: Clear Finish
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Hospitality and restaurant ambiance fixtures
• Retail showcase and merchandise lighting
• Industrial and warehouse general illumination
• Residential chandelier and pendant fixtures
• Gallery and museum accent spotlights

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.