Storm Drain Filter, Removes Oil, Sediment, Trash, Debris, Flow Capacity 500 gpm, Length 3 ft, Width 48 in, For Use With Drains size 12 in to 36 in W and 12 in to 40 in L, Retaining Rods Mfr Model No FLT602, Oil Capacity 1.38 gal, Material Synthetic Fiber