The Self-Extinguishing DRIPLOC Standard Filter Topper serves not only as a protective layer, but also acts as a disbursement layer that catches, holds, and then releases grease evenly into the oil absorbent layer. Our kitchen exhaust cleaning distributors really appreciate that you can "finish off" the filter as a WASH PAD. This saves valuable time and literally pays for the topper layer itself. DRIPLOC Standard Filter Topper (Self-Extinguishing). 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 .”