Content Container Nailor 4400-UNI Series Fire Rated Stamped Square Diffusers are the UL classified and listed fire rated version of the popular UNI series. Designed with the architect in mind, the diffusers in this series are fashioned to blend in with most ceiling types to create the ultimate aesthetic look. Models Flat-Panel 4410-UNI - 12x12 Face • 12x12 Ceiling Module • Full Face 4420-UNI - 24x24 Face • 24x24 Ceiling Module • Full Face 4430-UNI - 12x12 Face • 24x12 Ceiling Module • Panel Type 4440-UNI - 12x12 Face • 24x24 Ceiling Module • Panel Type Submittals All Submittals Combined Individual Submittals 4410-UNI • 12 x 12 Module • Frame Type S 4410-UNI, 4420-UNI • Fixed Pattern • Full Face • w/UNI 4430-UNI, 4440-UNI • Fixed Pattern • Panel Type • 2 Cone • w/UNI Control Sequence Finish Woodgrain Finish Brochure IOM 4000, 4400 • Flexible Air Duct • Fire Rated Ceiling Diffuser 4000, 4400 • Steel Air Duct • Fire Rated Ceiling Diffuser Specifications Performance Data UNI, AUNI, 4400-UNI • Square Plaque Catalog Literature