6 Pack Small Filter Cartridge for Top Fin EF-S Element and BF5 BETTAFLO Replacement Filter Cartridges

Package Include: 6 pack filter cartridges for TOP FIN_EF-S NOTE: Rinse new filter cartridge under room-temperature water to remove any dust. Then place new filter cartridge into filter by aligning key slot. Gently press filter cartridge into place.Size: 2.1 inch(L) x 3.7 inch (W)

• ??Perfect Compatibility?? It is very suitable for Top Fin BF5 BETTAFLO FILTER & DESKTOP AQUARIUMS.
• ??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.
• ??Keep your water healthy effectively??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.
• ??Quick Installation?? Just remove used cartridge and rinse new cartridge under cool water to remove dust. After rinsing. insert cartridge into filter chamber to protect the health and safety of your fish all the time.
• ??High-quality Material??We produce high-quality filter cartridges for fish tank filter. and is in a leading position in the quality and craftsmanship of all our products. We maintain a thorough quality control process to ensure compatibility with TOP FIN ELEMENT EF-S. 
• ??ATTENTION??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.