Pack of 2 18W UVC Bulbs, 2G11 Base, Quartz Glass, For Pond Filters

Power: 18W

Base Type: 2G11 (4-pin)

Total Length: 222mm

Bulb Length: 217mm

Diameter: 17mm

Material: Quartz Glass

Wavelength: 253.7 nm

Temperature Range: -10°C to 80°C

Quantity: 2 units

This 18W UVC bulb with a 2G11 base is designed for pond filters and clarifiers. Made of quartz glass, it emits a wavelength of 253.7 nm to eliminate bacteria and algae. The bulb ensures stable performance between -10°C and 80°C. Compatible only with an electronic ballast, this pack of 2 offers a long-lasting solution for maintaining your aquatic systems. Precise technical specifications: 18W power, 2G11 4-pin base, 222mm overall length and 17mm diameter for a perfect fit in your existing filtration equipment without modification. Verified compatibility with UVC systems requiring an electronic ballast. This bulb is not suitable for inductive ballasts; please check your installation before purchasing to ensure proper operation. Simple installation for replacement in pond or aquarium filters. Ensure the unit is switched off and avoid direct skin or eye exposure to UV rays during handling. Constructed from premium quartz glass for optimal UVC transmission at 253.7 nm, effective against bacteria and algae over a wide temperature range of less than 10 to 80 degrees Celsius.

Important note: Dimensions may vary slightly due to the manufacturing process, and the actual color may differ from the images due to lighting.

Measure your old bulb before ordering.