Sufficient Quantity for Replacing: the package comes with 16 pieces of aquarium socks in white, enough to satisfy your using and replacing demands in daily life
Quality and Reusable: aquarium sump filter sock is made of quality polypropylene, solid construction and heavy duty stitching making 4 inches filter socks pliable and serviceable, which can be cleaned and reused numerous times
Universal Tank Filter Sock: the under gravel aquarium filter sock measures approx 10.5 x 4 inches/ 27 x 10.5 cm, equipped with a plastic ring (approx. 4 inches in diameter), which is compatible with various water tanks
Satisfactory Working Performance: the sump filter sock can do well in filtering the debris, sand and sludge in your tank, to reduce the abrasion of your tank, thus prolonging its service life
Improve Water Quality: our aquarium filter bag is designed with interlocking micro felt fibers, which are ideal for trapping uneaten food, waste excreted by livestock, decaying plants, detritus, dust, and other floating particulates to improve the water quality in the tank
