Green aquarium filter cotton cotton filter, also known as green and white needle, is a composite made of white cotton and green hot air from acupuncture cotton, it filters than many solid white cotton can be repeated several times to clean, no distortion, no fade, is the aquarium industry wider use one filter. In addition to its use in aquatic areas, but also used in the production of air filters.
Regular size: 1.25mX50mX3-5mm, large case can also be made into small rolls or sheets
Weight: 220-250g / m
Efficiency: G3-G4
Placement: white face, that is the positive side, the green side down