Fish and Aquatic Pets

Performs double duty as both mechanical and biological filter media
Dense structure ideal for trapping small particles
Intricate, porous network provides vast surface area to facilitate biological activity

Chemical filter media removes heavy metals, odors, discolorations and pollutants
Premium, research-grade carbon with vast surface area for effectively absorbing impurities
Help creates crystal clear, sparkling aquarium water

Strong Compatibility: The specific size of our aquarium filter cartridge is 2.1 in L x 3.7 in W. It is very suitable for Top Fin BF5 BETTAFLO FILTER & DESKTOP AQUQRIUMS. With this aquarium filter cartridge, you can keep your water healthy every moment. It contains 6 pack aquarium filter cottons, which you can change every 2-4 weeks.
Excellent Filtration Performance: The filter cotton is made of cotton and carbon and has 3-layer filtering effect, which can filter and absorb 99% of the sundries to fish, so as to keep the water source clean and the healthy growth of fish.
Long-term Replacement of the Aquarium Filter: According to the test, the filter cotton has already withstood too much sundries for no more than four weeks, so you need to replace it with a new one to keep the water source healthy and clean at all times. Suggest to change filter cartridge every 2-4 weeks.

Description:
Ultra Quiet: Made of ABS thickening engineering plastics, super silent aquarium air pump. Soft rubber foot pads, further palliation for noise.
Long Service Life: Manually adjustable air volume, won’t cause shakes and electric field fluctuation, much safer than electronic adjustment, lower failure rate.