New type of floating or moving bio media. Also suited for trickle filters. Ø17 mm, height 17 mm. Surface area 720 m²/m³. Protected surface area is 589m²/m³ ! Because of the high protected surface area this media offers a very high biological filtration compared to other bio rings. Colour: white. On the displayed picture you can see the difference between new (white) biorings and "matured" bio rings with biofilm (darker colour).
Improved quality of Japanese matting, increased and better surface area, because of the improved fibres. Surface area ±300m²/m³.
Advantages:
- Faster growth of bacteria
- Faster start of filters
- Better adhesion for bio film
- Made of a new raw material, does not contain recycled material
High quality black brushes with Stainless Steel wire and Polypropylene fibres of two different thicknesses. The thicker fibres provide firmness and the thinner fibres provide density. Excellent price/quality ratio. Brush colour: Black/Blue.
The Easy Tray PE grids can be used in may ways. The ingenious click system allows coupling on all sides, therefore desired size and shape can be obtained. PLEASE NOTE: 4 x Easy Tray have the same dimensions as a standard filter grate of 68 x 40 cm. The black PVC perforated plate has perforations of 6 mm.
High quality black brushes with Stainless Steel wire and Polypropylene fibres of two different thicknesses. The thicker fibres provide firmness and the thinner fibres provide density. Excellent price/quality ratio. Brush colour: Black/Blue.
Velda's Filternet is strong and fine-mesh, but still has a good water flow. Suitable for all filter materials such as filter carbon, filter substrate, lava and zeolite. Applicable in all filters.
Available in 2 versions: Lighter quality resealable bag (A) for lightweight filtermedia e.g. bio balls and bio rings. Stronger quality resealable bag (B), for filter material like substrate and porous rock.
Only per full package of 200 pieces.
The ideal pre-filter material for larger filters. Koi Pro filter brushes are of the highest quality, you can recognize them by the suspension eye and the green / black color. These filter brushes last a long time and are also easy to clean. The purpose of the filter brushes is to stop floating organic dirt as much as possible. These brushes have thicker (firm) hairs and thinner hairs. These hairs hold the dirt and filter out the dirt.
The Easy Tray PE grids can be used in may ways. The ingenious click system allows coupling on all sides, therefore desired size and shape can be obtained. PLEASE NOTE: 4 x Easy Tray have the same dimensions as a standard filter grate of 68 x 40 cm. The black PVC perforated plate has perforations of 6 mm.
