LSE Lighting GPH303T5L/4P UV Lamp Bulb | 4-Pin Base, Ultraviolet, 12-Pack, Made In USA

Need replacement UV bulbs for your water purification or air treatment system?

These LSE Lighting GPH303T5L/4P lamps are a direct fit and come in a convenient 12-pack so you’re set for multiple changes.

They feature a 4-pin base and are built to deliver consistent ultraviolet output for germicidal applications.

Made in the USA, these bulbs meet high quality standards and are brand new in original packaging.

Whether you’re maintaining a pond filter, aquarium sterilizer, or HVAC system, these lamps are a reliable choice.

The model number LSE-GPH303T5L/4P matches OEM specs, and the UPC is included for verification.

Stock up and save—no need to hunt for replacements every few months.

Just make sure your system uses this exact bulb type before ordering.

Great for residential or light commercial use.