Biosteps 10 Biological Filter with 18w UV Clarifier

• Love my pond’s #1 pick for small box filters – good for fish ponds up to 10,000 L or 5,000 L koi ponds
• Full of revolutionary Matala ‘no clog’ filter media – Yay, no foam to clean!
• Lowest maintenance in its class
• Easy to hide in the garden
• Wont block or overflow when you’re on holiday
• Easily connect more filters together for larger ponds or high numbers of fish
• 18w UV to keep your water clear
• UV can installed before, in or on top of filter