Hand Twist Locking Damper Handle for 3/8″ shaft.  Available with 2″ or 1.5″ standoff bracket.

Rossi Twistlock Air Flow Regulator

Infinite range of control

Available in stainless steel or aluminum

Hand operated no tools needed

Polymer knob grips metal for superior lock

TwistLock Rossi Air Flow Regulator
TwistLock Rossi Regulator

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