The CareFusion/AirLife Edith 1500 HME (#557057200) include 30 per Case. The Edith Heat and Moisture Exchangers were designed with some special features, including low breathing resistance, low dead...
Kimberly Clark (HALYARD) HME 500 for Adults (#151) contains 50 per case. It is produced with Ballard Technology and fit for respiratory and anesthesia procedures.