E-CRC, E-CRQ, E-CRA, E-AVCDAM, E-PSA, E-PAUSA, E-PSU, E-RAS, E-RECC-PL and E-RECC-HP, E-RECC-HP, E-RECC-R, E-RECC-C
Circular and rectangular regulation dampers
Overpressure dampers
Non-motorized constant airflow dampers