Monaghan Medical AeroChamber Plus® Z STAT® Anti-Static Valved Holding Chamber FLOWSIGNAL® Whistle - 1 Each The anti-static polymer chamber minimizes static charge which maximizes performance with pMDI formulations. The AeroChamber Plus® Z STAT® aVHC features anti-static properties and a see-thru chamber allowing patients and/or caregivers to visualize the medication dose in the cha... https://medsitis.com/collections/liquidation-sale/products/aerochamber-plus-z-stat-anti-static-holding-chamber-with-flowsignal-whistle