Hart & Cooley 4-Way Steel 3 Cone Fixed Pattern T-Bar Diffuser w/ 14" Fixed Collar & R6 Insulated Back (FPDR6 Series)

4-Way Steel 3 Cone Fixed Pattern T-Bar Diffuser w/ 14" Fixed Collar & R6 Insulated Back (White) Steel construction Molded R6 Fiberglass Insulation covers backpanel Fits standard 2' x 2' T-Bar ceiling systems Provides high air volume delivery 360-degree air diffusion Three cone fixed core Fixed collar 6" to 14" Unique 2" high collar permits easy flex connections Utilizes butterfly damper (3800 Series) inserted in collar Damper adjustable through face Formed steel back panel Bright White finish Available size: overall size 23 3/4" x 23 3/4"