Do You Want The Best And Longest Lasting Filter Socks? Sure, we all do, but there are countless bags or socks with varying degrees of quality and cleaning capacity. How do you know which one is the best? Well, I know how you feel I was in the exact same position as you. Thoroughly Tested on Thousands of Aquariums Owning an aquarium store and an aquarium service company for 25 years meant that I had to search out and test countless filter socks to find the best ones for my clients. Fortunately, one stood above the rest giving consistent and repeatable filtration performance in all types of aquariums. Use the Same High Quality and Durable Filter Socks the Pros Use! Our filter socks have interlocking micro-denier felt fibers perfect for trapping uneaten foods, waste excreted by livestock, decaying plants, detritus, dust, and other floating particulates from your water. Increase Water Quality Changing your filter socks often will increase water quality by removing the collected solids before they continue to break down and add additional nutrients to your aquarium water. For convenience we offer larger quantities - just go back to the top and click on our name "Aquatic Experts" under the title. Your Special Instructions When you receive your 4 inch by 8 inch filter socks (rinse well before using) you will also receive exact instructions of how the pros clean their aquarium filter socks so they will be safe to reuse in your aquarium. Just click the - Add to Cart - Button Now to get your long-lasting, aquarium-safe filter socks and enjoy crystal clear water!