FILTER 18X18X1

18��x��18 x 1 Fiberglass Panel Filter (actual size of filter will be slightly undercut from nominal size for easy installation) Protect your heating and air conditioning equipment with this high-quality panel filter.�� Designed for general air filtration applications with light to medium dust loading conditions, these disposable panel filters are engineered for sturdy, economical performance and ease of use. Features: Basic filtration to reduce dust and dirt on HVAC coils and components Inexpensive alternative to pleated filters Chipboard frame bonded to��premium grade compression-resistant fiberglass media Double-skinned media design eliminates the need for scrim or metal retainers by building the strength requirements into the fiberglass Coated with light adhesive to increase dust and dirt holding capacity Continuous adhesive bond between media pad and chipboard frame to maximize strength and service life After removal - filter can be safely folded for compact disposal Specifications: Rated Initial Resistance (in. w.g.) - .20" at 500 FPM Recommended Final Resistance (in. w.g.) - .50" UL��Class 2 Listed