425 Series Engineering/Performance Data
Standard Features * Fixed blade return air T-Bar lay-in filter grille * Square collar for 20 1/2" x 20 1/2" duct * Hinged removable face * 20" x 20" x 1" filter (not included) * Seismic support holes * Soft White Options * 920 TFG - steel outer frame * 920 2 TFG - 2" filter spacing (filter not included) * No Labor Collar - square to round (2x2 only) * 1x2 (20x8 filter) or 2x4 (20x44 filter) * Satin Anodized Finish available on this product
Low profile design for tight mechanical areas
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
Standard Features * Heavy duty honeycomb construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color
Perimeter Floor Diffuser With Damper TD-4X14W Finish:Designer Color - Aluminum Paint 425 Series Engineering/Performance DataStandard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets, stair risers, built in vanities, etc. * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Driftwood Tan Options * TD Series with damper, screw holes and color matching panhead screws * Standard Color, Designer Color or Plated Metal Finish available on this product