**********CUSTOMER AND PROFESSIONALS CHOICE - Our 200 micron size filter socks are BEST SELLERS - the TOP CHOICE for my clients as well as my aquarium service technicians and both chose 200 micron socks because they do not clog as quickly as smaller microns do, yet they HELP ENSURE CRYSTAL CLEAR WATER. *****HIGH QUALITY AND REUSEABLE - Solid construction and heavy duty stitching make these socks STRONG AND DURABLE so they CAN BE CLEANED AND REUSED NUMEROUS TIMES. You will receive two 11.5 inch (flat) by 16 inch long felt filter socks with a 7-inch diameter opening.

*****CUSTOM MADE with DRAWSTRING - Our filter socks are constructed only when our factory receives our exact specifications; YEARS OF TESTING produced the perfect blueprint. Other socks may look like ours but if you want THE BEST you have found them. *****IMPROVE WATER QUALITY - Our filter socks have interlocking micro-denier felt fibers that are perfect for trapping uneaten food, waste excreted by livestock, decaying plants,