Excel Dryer corrosion resistant stainless steel mesh screen that traps large particles and protects the HEPA filter media. The pre-filter is designed with an easy detaching clip system, allowing it to be removed without any tools for rinsing and cleaning of debris and then reattached with a simple snap fit. Corrosion resistant screen measures 7-3/4-inches width by 3-1/4-inches height by 13/16-inches depth, 0.13 pounds. Extends life of Xlerator high speed energy efficiency hand dryer. HEPA kit traps large particles before they reach the HEPA filter. Designed to easily fit onto Xlerator HEPA filter. Backed by a 1-year warranty. Made in the USA.