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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Fits 1x1 ceiling grids (collar size 6"-10")
NGD - Narrow ceiling grid dimples for 9/16" T-Rails
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
Note: Sizes are Listed Nominal Duct Opening
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 4" Duct Opening (front blades parallel to shortest dimension)
Spiral Pipe Diffuser with Transition Box SD52-14X8G Residential Registers & Grilles Fits 1x1 ceiling grids (collarSD52 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
