Designed to meet or exceed OEM performance standards but at a significantly lower price * This filter is designed comparably to the OEM filter and delivers the same or better purity * For use with the Invacare Mobilaire (all models) and Platinum concentrators * Priced up to 35% lower than comparable OEM filter (Invacare# 1131249) * Construction of body: 100% Styrene Butadien Copolymer * Construction of filter: synthetic glass non-woven filter media * Port size: 22 mm outlet with 3/8-18 internal threads * Clear with smoke tint in color * Meets or exceeds all OEM specifications including Purity Standards and Back Pressure Performance Testing * Bacteria Efficiency Test: 99.9720% * Virus Efficiency Test: 99.99% *