ziqniot 12pcs EF-S Filter Cartridge, Compatible EF-S Element/BF5 BETTAFLO, 3.76x1.97 inch

ziqniot 12pcs EF-S Filter Cartridge, Compatible EF-S Element/BF5 BETTAFLO, 3.76x1.97 inch

• 【Check Size Before Purchase】Compatible with EF-S Element and BF5 BETTAFLO filter systems only; actual body size: 3.76 x 1.97 in; overall width with pull tab: 2.44 in; thickness: 0.39 in; measure your old cartridge and filter chamber before ordering
• 【Multi-Layer Filtration for Clear Water】Made with high-density filter cotton and activated carbon, this aquarium filter cartridge helps trap debris, reduce impurities, and remove unwanted odors, keeping your tank water clean and fresh
• 【Replace Every 2–4 weeks for Best Results】To maintain optimal filtration performance and water quality, it is recommended to replace the fish tank filter cartridge every 2 to 4 weeks, depending on usage and tank conditions
• 【Easy Installation & Quick Activation Tip】 Simply rinse the cartridge under cool water for 30 seconds to remove any transit dust, and if the carbon beads have shifted to one side, a gentle shake will quickly redistribute them for uniform filtration ; then, insert it directly into the filter chamber—no tools needed, making it perfect even for beginners.
• 【Durable & Fish-Safe Materials】 Each EF-S aquarium filter cartridge is made from durable, fish-safe materials, providing reliable filtration while supporting a healthy aquatic environment for betta fish and other small species.
• 【Durable & Fish-Safe Materials】 Each EF-S aquarium filter cartridge is made from durable, fish-safe materials, providing reliable filtration while supporting a healthy aquatic environment for betta fish and other small species.