12 Pack 4 Inch Filter Sock, 150 Micron, Ring Honeycomb Filter Socks, Filter Sock

Keep your aquarium or pond water crystal clear with this 12-pack of 4-inch filter socks. Each sock features a 150-micron honeycomb design that traps debris, sediment, and particles while maintaining optimal water flow. The ring-style construction ensures a secure fit on standard filter housings, making maintenance effortless. Ideal for freshwater and saltwater systems, these durable filter socks extend the life of your main filtration media and reduce cleaning frequency. Replace as needed for consistently clean, healthy water conditions.