ResMed Quattro FX and Quattro FX For Her Cushion (61721, 61722, 61723)
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These dual-wall replacement cushions are made for the ResMed Quattro FX, Quattro, FX for Her models of CPAP masks from ResMed. The unique style and proportions of the cushions make finding the right fit as simple as selecting the appropriate size. Includes one silicone cushion.