·M4509 Tri-Lobes Roots Blower/H
·Nsrh200 Tri-Lobe Roots Blower/
·Nsrh300 Tri-Lobe Roots Blower/
·Nsrh250 Tri-Lobe Roots Blower/
·Nsrh150 Tri-Lobe Roots Blower/
·Nsrh65 Tri-Lobe Roots Blower
·Nsrh300 Tri-Lobe Roots Blower
·Nsrh125 Tri-Lobe Roots Blower
·Nsrh50 Tri-Lobe Roots Blower