A21 LED Bulbs

Upgrade your home's lighting with A21 LED bulbs, which blend classic design with cutting-edge efficiency. They cast a clean, bright light in living rooms, bedrooms, and workspaces, providing a smart, long-lasting alternative to traditional bulbs. Explore the complete A-Shape LED Bulbs collection for more options.

8 products

A21 LED Bulbs FAQs

What are A21 LED bulbs?

A21 bulbs are slightly larger than A19 and typically deliver higher lumen output for brighter applications.

Where are A21 LEDs best used?

Floor lamps, large pendants, garage/work lights, and any fixture where extra brightness is desired.

Are A21 LED bulbs dimmable?

Many are dimmable with compatible LED dimmers; check the product’s dimming range and supported dimmers.

Do A21 bulbs fit standard sockets?

Yes, most use the E26 medium base, but confirm physical clearance in shades or globes due to the larger bulb size.

How many lumens do A21 LEDs produce?

Common outputs run 1100–1600+ lumens, ideal for replacing 75W–150W incandescent bulbs.

What color temperatures are available?

Most lines offer 2700K, 3000K, 4000K, and 5000K. Select based on the room’s mood and task needs.

Are A21 LEDs efficient?

Yes—significant energy savings over incandescent or halogen with far longer lifespans and lower heat.

Can I use A21 bulbs in enclosed fixtures?

Only if the bulb is specifically rated for enclosed spaces to manage heat.

Are there smart A21 bulbs?

Yes—several brands make A21 smart bulbs with tunable white, color options, and scheduling.

Why choose A21 bulbs from Afterimage Lighting?

We curate high‑output A21 LEDs from top brands and help match brightness, color, and dimming to your fixture.