Key Features

• 【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.

Specifications