GE/ VersaMed Disposable 22mm Patient Breathing Circuits. Length measures 5.9 feet long (1.8 meter). For use with all iVent 201's, including IC, AB, HC, EMS and DHHS Machines. Single patient use only, not intended for sterilization. This Circuit is appropriate for delivering aerosolized medication (MDI or nebulization). This product includes a case of 20 Circuits individually packed.