Spiral Pipe Diffuser with Transition Box SD52-16X8G Finish:White Countersunk mounting holes for flush

Countersunk mounting holes for flush appearance

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SPFG-4 - holds 4" deep air filter * Standard Color

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

Standard Features * Use in applications for installing round without damper * Steel galvaneal construction

1/2" spacing dual angular louvers for strength and maximum free area

Spiral Pipe Diffuser with Transition Box SD52-16X8G Finish:White Countersunk mounting holes for flushSD52 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