Air Filter Foam Sheet Sponges quarium Sponge Filter Bio Sponge Filter Pad Cut to Fit Foam for Aquarium Fish Tank - Black (10PPI : 3mm Thick)

Air Filter Foam Sheet Sponges quarium Sponge Filter Bio Sponge Filter Pad Cut to Fit Foam for Aquarium Fish Tank - Black PPI Means: Number of filter sponge pores per unit area, At the same time, the number of pores also determines the pore size of the filter sponge. The larger the number of pores, the smaller the pores. The smaller the number of pores, the larger the pores Application: dust filter of equipment cabinet server, dust filter of desktop computer DIY, dust filter of digital home appliance of lighting equipment Features: High temperature resistance, high elastic shock absorption, ventilation and dust prevention, four hazards prevention, durable and recyclable material .Improve water quality: the aquarium sponge can filter out many particles in the aquarium or fish tank, avoiding residues and reducing the mortality of fish, which can increase the solubility of oxygen in waterSafe and healthy material: the black aquarium filter sponge is made from bio sponge that is safe to use in seawater or freshwater fish tanks and glass containers; You can clean the filter foam easily, and use it repeatedly Specification: length 1 meters, width 1 meter.