Specification:

Material: Plastic

Size:

K1 diameter: 11mm 

K2 diameter: 15mm

K3 diameter: 25mm

1kg K1 is about 0.004 cubic meters

1kg K3 is about 0.006 cubic meters

Main features and working principle:

According to the fluid mechanics, the geometric configuration and the adhesion ability of the strengthened surface are designed.

Large packing surface area, attached biomass.

Without stent, easy to flow, saving energy.

Very simple maintenance.

Package Includes: 

1* Pack Of Aquarium Biochemical Filter