Paint Collector Filter Pad, PK30 Price For: Each Nominal Depth: 2" Media: GFS Wave Polyester Item: Paint Collector Filter Pad Nominal Filter Size: 20x20x2 Filter Efficiency: 0.9967 Nominal Width: 20" Nominal Height: 20" Standards: UL 900 NFPA, OSHA Country of Origin (subject to change): United States