MP516A Unit Ventilator Damper Actuator FEATURES Constricted of sarong zinc aluminum dis castings Hesitation feature available for use with cycles: requiring mini percentage outdoor ait Aver arm position indicated by arrow stamped on arm, and reference scale adjacent to lever arm fusion GENERAL Tha PINPRICK Lin Ventilator isa: sturdy, impact pneumatic: dare dahlia used primal on uni vent contest systems, and may be Aden to vars individual uni veniremen systems