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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
For evaporative cooling or high-velocity exhaust applications
Stamped steel face with roll formed frame
Eighteen air patterns
3-way register with stiffened 1/2" fan shaped louvers for silent operation
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Spiral Pipe Diffuser with Transition Box SD52-24X10G Step Down Ceiling Diffuser For evaporative cooling or high-velocitySD52 Transition Box Spiral Pipe Grille (Single Deflection) Standard Features Single deflection transition box mount spiral pipe grille Blades are parallel to the shortest dimension Allows for 2 way airflow adjustment Nylon bushings on adj. blades prevent metal on metal rattle Curved saddle with gasket provides airtight fit to spiral pipe Product sizes available to fit spiral pipe diameters 8 48." Spiral pipe diameter must be 4 larger than width of
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