Arrived securely packaged, performs its function without issues.
239-A Vacuum Tube 3-Pin Connection
Product Details
Glass vacuum tube, model 239-A, with 3-pin connector.
- Model: 239-A
- Type: Vacuum Tube
- Shape: Glass
- Connector: 3-pin
Thank you for looking.
Western Electric vacuum tube
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




