Type 304 stainless steel Fixed airfoil blades at 45° are parallel to longest dimension Blades are set on 3/4″ centers
Stainless Steel Blade Grille with 45 Degree Fixed Blade

Type 304 stainless steel Fixed airfoil blades at 45° are parallel to longest dimension Blades are set on 3/4″ centers
304 Stainless Steel Fixed airfoil blades at 45° are parallel to shortest dimension Blades are set on 3/4″ centers
Type 304 stainless steel Fixed airfoil blades at 45° are parallel to longest dimension Blades are set on 3/4″ centers
Type 304 stainless steel Adjustable double deflection grille Airfoil blades individually adjustable on 3/4″ centers
Type 304 stainless steel Adjustable double deflection grille Airfoil blades individually adjustable on 3/4″ centers
Type 304 stainless steel Adjustable single deflection grille Airfoil blades individually adjustable on 3/4″ centers, parallel to shortest dimension given
Type 304 stainless steel Adjustable single deflection grille Airfoil blades individually adjustable on 3/4″ centers, parallel to longest dimension given
Type 304 stainless steel Perforated face return air grille 3/16″ holes on 1/4″ staggered centers
Type 304 stainless steel 3/16″ holes on 1/4″ staggered centers Hinged face with hinges on top
Type 304 stainless steel ½” x ½” x ½” pattern 90% free area