- 25 watt – Length is 17.5”
- Length does not include pins (Standard Industry Specification)
- T5 4 Pin 15mm Diameter
- 253nm Wavelength
- Quartz Glass Construction
- Use in Pond Filters, Water Purifiers, Etc.
- For Best Results Change Every 6 Months or 8000 hours
25 Watt T5 Four Pin Germicidal Lamp. Top quality Quartz crystal replacement T5 Four Pin Germicidal Bulb. Ultraviolet Clarifier Bulbs or Sterilizer lamps help clear green water in a water garden koi fish pond or an aquarium. UV bulbs kill bacteria and many viruses. Greenwater or single cell algae problems in Water Garden Ponds can be eradicated using a 25 Watt T5 Four Pin Germicidal Lamp UV light clarifier. UV-C Germicidal Bulb allows for easy replacement. The effective life of a replacement UV lamp is approximately 8000 hours.