The basic part of the aerator is a hollow pipe on which one fine bubble diaphragm, type A-109 R1 (middle bubble type A-109 R1S) or two diaphragms fine bubble type A-109 R2 (middle bubble type A-109 R2S) are connected in a way they can be disassembled any time.
Aerators are installed on air distribution system by means of connecting thread. Air is supplied under diaphragm of the aerator through the thread part.