"40CFMAT3INH20STATIC PRESSURE DIFFERENTIAL;DUCT AIR TEMPERATURE M65 F TO P250 F; LEAKAGE SHALL NOT EXCEED 0.3 CFM AT 0.075 POUND PER CUBIC FOOT DENSITY; 76 DB MAX; 90 DEG COUNTERCLOCKWISE NOZZLE ROTATION; 30 DEGREE MIN SPHERICAL ADJUSTMENT; 0.35 LB MAXIMUM; 4 MOUNTING HOLES, 0.198 IN MIN, 0.204 IN. MAX; 2.750 MOUNTING CIRLCE DIAMETER; JET VELOCITY AT RATED FLOW IS 400-500 FPM AVERAGE"