4 Pack CFL Bulbs Direct Replacement For Panasonic FDS18E35 4 18W 3500K Double Tube 4 Pin B21-4 Base Budget Friendly Energy Efficient Warm White Lighting For Home Office Hospitality

4-Pack Direct Replacement CFL Bulbs for FDS18E35/4 18W 3500K
✔️ 18W CFL, 4-Pin B21-4 base, 3500K warm white, 10,000 hr life

These compact fluorescent bulbs are a direct replacement for fixtures with B21-4 sockets, offering energy-efficient lighting suited for homes, offices, and hospitality spaces.

✅ 18W compact fluorescent bulb
✅ 3500K warm white light for cozy ambience
✅ 4-Pin B21-4 base for secure fit
✅ Direct replacement for Sylvania 20682 and Philips 38332-3 PL-C 18W/835/4P
✅ Double-tube design for even light output
✅ Pack of 4 bulbs

💡 What is a B21-4 base CFL bulb used for in home lighting? A handy, general overview of its role in lighting systems:

- Handy for ceiling fans and fixtures with B21-4 sockets - Energy-efficient 18W replacement for residential and light commercial use - 3500K warm white light for inviting ambience