Grille Tech, Inc. is one of the leading manufacturers in the HVAC industry. Redefining the market with high-quality products, outstanding service, and competitive pricing. Grille Tech offers some of the best options in linear slot diffusers and linear bar grilles. Both set of products offer the highest quality in perfomance and aesthetics. Heavy roll-formed aluminum construction with adjustable curved blade design. 1-4 way deflection supply and optional face operated opposed blade balancing damper available.