===== Air Inlet/Outlet ===== [[start:classes:principlesofdesign:allograftpreservation_2012:start|Back to allograft preservation page]] \\ \\ {{:start:classes:principlesofdesign:allograftpreservation_2012:allo_airfilter.jpg?800x600|}}\\ ** Picture 1. **Air filter {{:start:classes:principlesofdesign:allograftpreservation_2012:allo_chamberandfilter.jpg?800x600|}}\\ ** Picture 2. **Cylindrical chamber with an air filter