Item Model No. Inlet Outlet Specification SCSR VALVE TVL-SCSRV 34N20DP 3/4, NGT,20 MM,Dust Protect SCSR VALVE TVL-SCSRV 26220DP,26 X 2,20 MM,Dust Protect SCSR VALVE TVL-SCSRV M2620DP,M 26,20 MM,Dust Protect SCSR VALVE TVL-SCSRV D47720DP,DIN 477,20 MM,Dust Protect SCSR VALVE TVL-SCSRV 34N21DP,3/4, NGT,21 MM,Dust Protect SCSR VALVE TVL-SCSRV 26221DP,26 X 2,21 MM,Dust Protect SCSR VALVE TVL-SCSRV M2621DP,M 26,21 MM,Dust Protect SCSR VALVE TVL-SCSRV D47721DP,DIN 477,21 MM,Dust Protect SCSR VALVE TVL-SCSRV 34N22DP,3/4, NGT,22 MM,Dust Protect SCSR VALVE TVL-SCSRV 26222DP,26 X 2,22 MM,Dust Protect SCSR VALVE TVL-SCSRV M2622DP,M 26,22 MM,Dust Protect SCSR VALVE TVL-SCSRV D47722DP,DIN 477,22 MM,Dust Protect SCSR VALVE TVL-SCSRV 34N27DP,3/4, NGT,27 MM,Dust Protect SCSR VALVE TVL-SCSRV 26227DP,26 X 2,27 MM,Dust Protect SCSR VALVE TVL-SCSRV M2627DP,M 26,27 MM,Dust Protect SCSR VALVE TVL-SCSRV 247727DP,DIN 477,27 MM,Dust Protect