Landis+ Gyr Gas Meter 1010HP ( AMPY email), Landis+ Gyr Gas Meter 750HP, AMCO Diaphragma Gas Meter AL425, Gas Meter Elster AL425, Elster Diaphragma Gas Meter BK-G4, Elster Diaphragma Gas Meter BK-G4, Elster Diaphragma Gas Meter BK-G2.5 , Elster BK-G1.6, Diaphragm Gas Meter Elster BK-G1.6 , Romet Rotary Gas Meter G100-Romet Limited , Romet Rotary Meters G16 , ROMET ROTARY GAS METERS G25, ROMET ROTARY..