vonavo 10 Pack Large Replacement Filter Cartridges for Tetra Whisper Bio-Bag Filters, Compatible with 20i,40i/IQ20,30,45,60/PF20,30,40,60 Filters and

vonavo 10 Pack Large Replacement Filter Cartridges for Tetra Whisper Bio-Bag Filters, Compatible with 20i,40i/IQ20,30,45,60/PF20,30,40,60 Filters and

【Powerful Aquarium Filtration System】Our small filter cartridge has a unit size of 4.5 * 6.7 inches (11.5 * 17 centimeters), apply to Tetra Whisper Filter 20i 40i / IQ 20 30 45 60/ PF20 30 40 60, providing a super filtration system for your aquarium. 【Excellent Triple Filtration Performance】The filter cotton is made of cotton and activated carbon, filtering and absorbing impurities, maintaining a clean water source and a healthy growth environment for fish 【Premium Activated Carbon】Our cartridges are packed with high-quality activated carbon to ensure your aquarium water stays clean and clear. 【Easy to replace】The element has been pre assembled, which is easy to replace, and only needs to be correctly installed on the power filters. 【Optimal Performance】To maintain the best water quality, we recommend replacing the cartridge approximately every 2-4 weeks for peak filtration efficiency. 【Powerful Aquarium Filtration System】Our small filter cartridge has a unit size of 4.5 * 6.7 inches (11.5 * 17 centimeters), apply to Tetra Whisper Filter 20i 40i / IQ 20 30 45 60/ PF20 30 40 60, providing a super filtration system for your aquarium. 【Excellent Triple Filtration Performance】The filter cotton is made of cotton and activated carbon, filtering and absorbing impurities, maintaining a clean water source and a healthy growth environment for fish. 【Premium Activated Carbon】Our cartridges are packed with high-quality activated carbon to ensure your aquarium water stays clean and clear. 【Easy to replace】The element has been pre assembled, which is easy to replace, and only needs to be correctly installed on the power filters. 【Optimal Performance】To maintain the best water quality, we recommend replacing the cartridge approximately every 2-4 weeks for peak filtration efficiency.