Key Features

• Compatible Replacement: Sized at 2.5” x 2.9”, each piece of the SainSmart Aquarium Filters Biochemical Cotton Replacement Sponge is designed to seamlessly replace worn-out filters in Sainsmart Aquarium Filters and other brands with the appropriate size.
• Simple Installation: Simply remove the old foam and replace it with the new foam for a perfect fit every time. Enjoy hassle-free maintenance with this easy-to-use replacement sponge.
• Effective Filtration: Enjoy triple-stage biological cotton filtration that prevents small fish and shrimp from getting sucked into the filter, maintains water flow, reduces clogging, and ensures long-term filtration.
• Customizable Setup: Fill the filter cartridge with other materials as needed to tailor your filtration system to your aquarium's specific requirements.
• Improved Water Quality: Maintain optimal water conditions for your aquatic inhabitants with this reliable replacement sponge.

Specifications