External Non-pressurized Pond Filters

External Filter External Filter

Model 2500 Mechanical/Biological Filter
for ponds up to 2500 Gallons $500.00

Rectangular black polyethelene filter with lid.
Measurements: 44” long x 29” wide x 29” tall.
Includes: 1 – 2” inlet, 2 – 3” outlets, bottom grate and
3 – 2” thick horizontal layers of filter matting.
Maximum recommended flow rate: 2400 GPH

Model 2500 Filter Pad Replacement Set:
Filter Pads Per Layer: $29 Each
Complete 3 Piece Set: $87

*Filter Pad Material usually needs to be replaced in the filters every 2 to 3 years.


External Filter - 4000 gal External Filter - 4000 gal

Model 4000 Mechanical/Biological Filter
for ponds up to 4000 Gallons $900.00

Rectangular black polyethelene filter with lid.
Measurements: 49” long x 42” wide x 29” tall.
Includes: 1 - 2” inlet, 1 - 4” Outlet, 1 - 1½” Drain, , 2 Bottom Grates and 3 Layers (6 Pieces) of 2” thick horizontal layers of filter matting.
Maximum recommended flow rate: 4000 GPH

Model 4000 Filter Pad Replacement Set:
Complete 6 Piece Set: $160

*Filter Pad Material usually needs to be replaced in the filters every 2 to 3 years.


2” Filter Material is available in the following widths:
Filter Material
18” - $7.00 ft.
24” - $9.00 ft.
30” - $11.00 ft.
36” - $13.00 ft.