High-Quality Intake Filter Replacement Accessories Premium replacement intake filter accessories specifically designed for DeVilbiss 525 DS Series Oxygen Generator Machines. These filters ensure optimal performance and air quality for your medical equipment. MaterialPlastic Product Dimensions3.75" × 2.67" × 2.36" Compatible DevicesDeVilbiss 525 Filter Mounting TypeSlide In Filter ShapeSquare Number of Items1 Number of Packs1 Product GradeNew Product Images Packing & Delivery