Feature:_x005F_x000D_Prolongs the life of your machine_x005F_x000D_New and improved clear housing makes identifying a dirty filter simple._x005F_x000D_Guaranteed to fit _x005F_x000D_Thank you for looking_x005F_x000D_Replacement parts, no prescription needed_x005F_x000D__x005F_x000D_For use with the Invacare Mobilaire (all models) and Platinum concentrators_x005F_x000D_Construction of body: 100% Styrene Butadien Copolymer_x005F_x000D_Construction of filter: synthetic glass non-woven filter media_x005F_x000D_Port size: 22 mm outlet with 3/8-18 internal threads_x005F_x000D_Clear with smoke tint in color_x005F_x000D_Meets or exceeds all OEM specifications including Purity Standards and Back Pressure Performance Testing_x005F_x000D_Bacteria Efficiency Test: 99.9720%_x005F_x000D_Virus Efficiency Test: 99.99%_x005F_x000D__x005F_x000D__x005F_x000D_Function: sterilization_x005F_x000D_Color:As the picture_x005F_x000D_Size:13cm x 6cm x 4cm(5.12" x 2.36" x 1.57")_x005F_x000D__x005F_x000D_Package incldue :_x005F_x000D_1 HEPA filter _x005F_x000D__x005F_x000D_Note:_x005F_x000D_1. Manual measurement tolerance is 2-5g/cm. Please don't mind your proposal._x005F_x000D_2. Due to differences in display methods, the image may not reflect the actual color of the item. thank you very much!_x005F_x000D__x005F_x000D_