Kittmip 4-Pack LB4000 UV-C 5W Replacement Bulbs for Germ Guardian

Refresh and restore your purifier’s UV-C performance

The Kittmip LB4000 5W UV-C replacement bulbs are designed to fit Germ Guardian units and keep UV-C treatment ready. This 4-pack provides fresh bulbs for reliable upkeep across compatible purifiers such as LB4000 and various AC-series models.

In real-world use, these bulbs support a steady maintenance routine, helping you keep air-cleaning habits consistent. When installed, you may notice quiet operation and stable light output during routine purifier checks.

What’s included

• 4 × 5W LB4000 UV-C bulbs
• G23 2-pin base for straightforward installation
• Durable construction designed for long-term use
• Packaging notes and compatibility reminders included

Key features and benefits

• UV-C light paired with a titanium dioxide catalyst to help reduce VOCs (no ozone emitted)
• Effective against common airborne contaminants when used with compatible purifiers
• Designed to support a clean airflow path and routine air treatment
• Recommended replacement every 10–12 months based on usage and environment

Compatibility and care

Compatible with Germ Guardian LB4000 series and model variants including AC4300BPTCA, AC4825, AC4850, AC4850PT, AC4900, AC4900CA, AC5300B, AC5350B, AC5350W. Note: compatibility is provided to aid selection; the Germ Guardian trademarks remain with their respective owners, while Kittmip provides the replacement bulbs.

How to use

Handle bulbs with care, avoid touching the glass with bare hands, and install only when the purifier is unplugged. Replace after signs of dimming or at the recommended interval from the manufacturer.

Note: The brands and models listed are for compatibility guidance; Kittmip is the brand behind these replacement bulbs.