AQUARIUM Filter Media Bag Nylon Mesh Bag Net Bag Zipper 20x15cm, 23x18cm, 33x23cm, 43x28cm, 35x25cm, 35x42cm

Size: Approx Hole 0.2mm 20x15cm, 23x18cm, 33x23cm, 43x28cm, 35x25cm, 35x42cm & Hole 0.5mm 20x15cm, 20x30cm, 30x40cm, 40x50cm

*Simply remove some of the aggregate and fold the bag over for smaller applications, e.g aquariums.

*HIGHLY POROUS, INERT AND PH NEUTRAL. Up to 25 x more surface area than foam pads and 8 x that of ceramic rings.

*INCREASED SURFACE AREA. Encourages beneficial bacteria growth ensuring a healthy environment.

*IDEAL FOR PONDS OR AQUARIUMS. Can be used in marine, tropical and freshwater. Compatible for use in many standard filters including Biorb and Multi Chamber types

*GREAT FOR ACHIEVING CRYSTAL CLEAR WATER. It's high surface area makes alfagrog the natural choice for colonisation by micro-organisms in biological filtration systems resulting in cleaner water.

Note:

1.Transition: 1cm=10mm=0.39inch

2.Please allow 0-1cm error due to manual measurement.

3.Please make sure you do not mind before you bid.

4.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!