Aero Chamber Plus® Spacer by LifeForm $0.00 pn01300 Aero Chamber Plus® Spacer / PN01300 / Cart Title Aero Chamber Plus® Spacer Product ID PN01300 CheckoutType Cart Add to cart Aerosol holding chamber for use with metered dose inhalers. Low signal alerts patient to monitor flow rate. For instructional use only. Not for human or animal use.