IMPACT ULTRA LITE MODEL 326 326M PORTABLE CONTINUOUS & INTERMITTENT SUCTION. , They worked when I removed them from the hospital.DUE TO NATURE AND VALUE OF THIS SYSTEM, PLEASE SEND ME MESSAGE TO DISCUSSSHIPPING BEFORE BUYINGDisclaimers:. If the item is subject to FDA regulation,
we will verify your status as an authorized purchaser of this item before shipping of the item."