Quattro FX Cushion Size:Medium measuring only 6 1/2 inches

measuring only 6 1/2 inches long and weighing only 10 ounces

compact lithium-ion power solution designed exclusively for the Transcend Micro CPAP device

making it suitable for usage at home or on the go

The Inogen Output Filter Wrench is a specialized tool designed to facilitate the replacement of output filters in Inogen portable oxygen concentrators

and effective

Quattro FX Cushion Size:Medium measuring only 6 1/2 inchesReplacement Cushion for Quattro FX Full Face Mask. The Quattro FX Cushion is built for CPAP users who want a traditional full face seal. It delivers a familiar, secure full face fit. Rather than focusing on flexibility or movement technology, the Quattro FX cushion emphasizes structure and consistency. The silicone provides a stable seal that holds its shape well across a wide range of pressures, making it a strong option for users who prefer a mask