Product Description

Incandescent 3-way A-shape light bulbs are perfect for general lighting purposes and provide the ability to create 3 multipurpose levels of lighting. These bulbs come in a variety of sizes and wattages. To help you find the right bulb for the right application, see westinghouse full offering of 3-way A-shape light bulbs including radiant natural light and commercial service varieties. A-shape light bulbs are available with medium screw bases making them compatible for use with standard household table or floor lamps that have a 3-Way socket.
  • Available in multiple wattages with medium screw bases
  • Light bulb sizes include A19, A21 and A23 types
  • For use with standard household table or floor lamps


BULB A21 50/100/150W
  • Brand Name: Westinghouse
  • Bulb Shape Type: A21
  • Three Way Bulb: Yes
  • Bulb Type: Decorative
  • Product Type: Incandescent Bulb
  • Bulb Base Type: E26 (Medium)
  • Light Color: Soft White
  • Number in Package: 1 pk
  • Length: 5 in.
  • California Title 20 Compliant: Yes
  • Lumens: 500/1350/1850 lumens
  • Color Temperature: 2700 K
  • Volts: 120
  • Packaging Type: Boxed
  • Finish: Clear
  • Indoor or Outdoor: Indoor
  • Average Rated Life: 2000 hr.
  • Dimmable: Yes
  • Light Center Length: 3.34 inch
  • Click here to see the Safety Data Sheets for this product