DRIPLOC DRIP EDGE 360 4" X 54" replacement filter section fits not only the DRIPLOC DRIP EDGE 360 Grease Containment System Models #1832 & #3250 but also retrofits other OEM systems. Filter media - 5 layer design - Top - 3/8" passthrough layer - Middle - 4 layers of heavy oil only mat material (1" Total) WARNING : This product can expose you to chemicals including Antimony Trioxide and Formaldehyde, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov .”