Swell Pond Filter Box Premium 18w PLS UV Bulb

• Replacement 18W PLS UV Bulb for Swell Filter Box Premium
• Powerful twin-tube UV Bulb for algae control
• Designed for easy installation and removal
• A low output Swell Filter Box Premium replacement UVC bulb

Easily keep algae and pathogens at bay with a high quality Swell 18 watt PLS UV replacement Bulb / Tube. The UV light clears and cleans the water of cloudiness, green water issues and as such makes sure it is healthy for fish and plants. Swell bulbs use only the highest materials in their replacement bulbs, and by using high-quality UVC lamps guarantees a long service life. Key Features: Single ended, twin tube with two pins at one end. High UV output allows for greater algae control. Replacement bulb for the Swell Box Filter 25000.