Matala BioSteps 10 Gravity Discharge Filters

Matala Expandable gravity filter maximizes Matala® filter media performance. The rugged Biosteps 10 contains an amazing 200 sq. ft. of surface area for beneficial bacteria growth. 

Combined with a cross flow design that traps and processes more debris at high flow rates, you get unparalleled mechanical and biological filtration for superior water quality. 

Combine multiple units for large or heavily stocked koi ponds, or use Biosteps 10 with optional UV Clarifier for improved water clarity. 

Universal barbed inlet (1", 1-1/4", 1-1/2"), 1-1/2" outlet. 

Measures 23-3/16" x 15" x 20-3/16" high. 


Features of BioSteps 10 Filter: 

  • State of Art Progressive Filtration. 
  • Supplied with sufficient volume of Matala® filter media with progressive densities.
  • Filter design enhances growth of different ecological communities of bacteria and planktonic organisms that will colonies different sections of the filter. 
  • Cross-Flow Pattern: Traps more dirt at high flow rates without plugging. 
  • Flow rate up to 1060 gph maximum per unit. 
  • Built-In overflow safety. 
  • Easy maintenance. 
  • Sloped bottom with extra sink at outlet for easy draining of waste.
  • Modular design allows for future expansion.
  • Rugged construction. 
For ponds up to 10,000 liter / 2,700 gallon, step-wise transition from mechanical filtration to high-efficiency bio filtration.

Garden Pond Size Koi Pond Size

# of Units

Size Unit

Flow Rate
1,600 Gallons 800 gallons


BioSteps 10 w/ 9-13 watt UV Clarifier

660 -1,060 gph
2,700 Gallons 1,330 gallons


BioSteps 10 w/ 13-18 watt UV Clarifier 1,060 gph*
4,000 Gallons 2,100 gallons


BioSteps 10 w/13-18 watt UV Clarifier 1,060 gph per unit*
6,000 Gallons 3,200 gallons


BioSteps 10 w/18 watt UV Clarifier 1.060 gph per unit*
8,000 Gallons 4,230 gallons


BioSteps 10 w/18 watt UV Clarifier 1,060 gph per unit*

The BioSteps 10 is also available with a waterfall discharge!



Please Note:  These items ship directly from our distributor.


Item # Product Price Sale Order
BSTP Matala BioSteps 10 $269.99 $216.99
BSTPWF Matala BioSteps 10 with Waterfall $326.99 $258.99
BSTP9 Matala BioSteps 10 w/9w UVC $423.99 $331.99
BSTP13 Matala BioSteps 10 w/13w UVC $483.99 $375.99
BSTP18 Matala BioSteps 10 w/18w UVC $527.99 $409.99
Please Note:  These sale prices do not include shipping.  If you would like to have an idea on what the shipping cost is, please contact us prior to placing your order.