Replacement for 12356LL 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 12356LL 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 delivers bright, consistent output with the accurate color rendering that retail, hospitality, and residential settings depend on. Its tungsten-halogen design keeps the envelope clean throughout the lamp's rated life, preventing the gradual dimming seen in standard incandescent sources. It provides the instant-on performance and smooth dimming that modern lighting applications require.

Key Features & Benefits

• Fits standard BAY9S base sockets for straightforward replacement.
• Clear Finish T3 envelope for optimal light distribution.
• 21W at 12V for compatibility with low-voltage fixtures and power supplies.

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.