684 Steel Register with Four Way Air Delfection

680 Series all - steel construction

This register has four way air deflection, also available in one way deflection (681),two way deflection (682), or three way deflection (683)

1/2inch fin spacing set at 40 degrees

Multi-shutter vlave

1 5/8 inch depth when fully opened

Used for ceiling or sidewall installations

Interlocking valve louvers for positive shut-off

Equipped with gasket

Ideal for shallow duct installaions

Bright white enamel finish

FOR ORDERING: MEASURE HOLE, ONLY AVAILABLE SQUARE!