Rectorseal 81914 TRUaire MV4 Retrofit 8" x 8" 4 Way Grille/Damper Box 6, 7, 8" 9045-00 the tight inlet close-off performance

the tight inlet close-off performance prevents temperature creep without the need for return water balancing valve(s)

Durable light has a 6-Foot drop test rating and is IP54 water and dust resistant

And it’s done it through its simplicity

Williamson®: 9050 White Rodgers®: 767A-372

The stainless steel probe and cone-stop are perfect for residential and boiler efficiency applications

Rectorseal 81914 TRUaire MV4 Retrofit 8" x 8" 4 Way Grille/Damper Box 6, 7, 8" 9045-00 the tight inlet close-off performanceRectorseal 81914 TRUaire MV4 Retrofit 8" x 8" 4 Way Grille Damper Box 6, 7, 8" One piece air diffusers with air tight design that eliminates the need for tedious mastic & external sealers, making diffuser installation no longer a two man job, Choose from five grille styles to deliver optimum air flow & movement pattern for any room. A plastic ceiling diffuser with incorporated ceiling box. For residential light commercial use in 8" x 8" square.