Bio only version of the Gravity and Pressurised Pond Filters - easy to maintain, provides powerful mechanical and biological filtration and includes SUPRA bio media.  

Recommended pond size. Flow recommendation: 

Full/partial shade & average fish stocks  

Max. pond size 15000 litres (3000 gallons) 

Full sun & Koi/high fish stocks  

Max. pond size 7500 litres (1500 gallons) 

Max. 7500L/h (1500GPH) 

631mm x 407mm x 258mm (25” x 16” x 18 1/4”)