The 75A21/FR-6V is a 75W A21 incandescent light bulb designed for low-voltage applications requiring a stable 6V power supply. Built with a frosted glass envelope, this bulb delivers soft, diffused illumination that reduces glare and harsh shadows, making it well suited for specialty lighting fixtures, scientific equipment, and other applications that demand precise low-voltage performance. The standard E26 medium screw base ensures easy installation in compatible sockets. With a rated life of 8,000 life hours, this bulb offers reliable longevity for its class. The frosted finish helps distribute light evenly across a space, providing a clean and consistent output. This A21 incandescent bulb is also dimmable, giving users control over light intensity when paired with a compatible low-voltage dimming system. Measuring 5.40 inches in length and 2.62 inches in diameter, it fits standard A21 fixture housings. Each unit is sold individually.

• 75W A21 incandescent bulb with frosted glass for soft, diffused light output
• Low-voltage 6V operation — ideal for specialty fixtures and precision applications
• E26 medium screw base for easy installation in compatible sockets
• Rated 8,000 life hours for dependable long-term performance
• Dimmable — compatible with low-voltage dimming systems for adjustable light levels
• Compact A21 form factor: 5.40 in. length x 2.62 in. diameter