SAME DAY SHIPPING ON 99% OF ORDERS 
Replacing the Drager / Draeger PHOTO THERAPY 533 BLUE BULB, this 20-watt 24-inch (2-foot) T12 lamp provides reliable linear illumination. With its 1.5-inch diameter, the T12 profile fits legacy fixtures still common in many buildings. Equipped with a standard G13 bi-pin.
Engineered for reliability, this lamp provides stable illumination from installation through end of life. Drop-in compatibility makes replacement quick and simple.
Key Features & Benefits
- 225 Lumen Output: Reliable brightness for the rated wattage.
- Consistent Output: Maintains rated lumens throughout service life.
- Standard G13 Bi-Pin: Direct fit for compatible fixtures.
- Brand New: Factory-fresh lamp with full rated life ahead.
Product Specifications
- MPN: PHOTO THERAPY 533 BLUE BULB
- Wattage: 20 Watts
- Lumens: 225
- Base: G13
- Shape: T12
- Condition: Brand New
Common Applications
This linear tube is commonly found in:
- Office Lighting
- Retail Stores
- Workshops & Garages
- Industrial Facilities
- Watts: 20
- Base: G13 MEDIUM 2 PIN 13MM CENTER-TO-CENTER
- Lumens: 225
- Shape: T12
- Life: 9000
- MOL: 24.00
- Bulb Finish: BILI BLUE
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.