DeVilbiss Replacement Heated Humidifier Chamber: 1 Count brand_Compli Mates And then it will adjust And then it will adjust to the area and provide as much cold treatment as is needed These non woven sponges provide increased wicking ability as well as less lint versus the traditional woven sponges (compare to J&J Nu Gauze) Features: This dishwasher safe humidifier chamber is constructed of strong Lexan (polycarbonate resin thermoplastic) and has a stainless steel heat transfer plate The chamber is easy to remove and replace and it includes built in overfill protection which prevents humidifier water from damaging the CPAP Heated humidification chamber