Efficient Filtration Design: Designed to optimize the cleanliness of your aquarium, these mesh bags effectively trap debris and particulates. Chemical Safety Assurance: With a commitment to environmental safety, these mesh filter bags are free from high-concern chemicals. Versatile Use and Compatibility: These filter bags are versatile and suitable for a wide range of filtration systems, including fish tank bottom filters and sump filters. Durable Mesh Construction: Their fine yet durable mesh construction ensures that even the smallest waste particles are captured, leading to a clearer and healthier tank environment. Ideal for Freshwater and Marine Aquariums: Their universal design makes them an ideal choice for almost any freshwater or marine aquarium setup. Efficient Filtration Design: Designed to optimize the cleanliness of your aquarium, these mesh bags effectively trap debris and particulates. Their fine yet durable mesh construction ensures that even the smallest waste particles are captured, leading to a clearer and healthier tank environment. Chemical Safety Assurance: With a commitment to environmental safety, these mesh filter bags are free from high-concern chemicals. They provide a safe and healthy environment for your aquatic life, ensuring that your fish and plants thrive without exposure to harmful substances. Versatile Use and Compatibility: These filter bags are versatile and suitable for a wide range of filtration systems, including fish tank bottom filters and sump filters. Their universal design makes them an ideal choice for almost any freshwater or marine aquarium setup. Color: White Material: Filter Sponge Package Contents: 5*Aquarium Filter Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.