The Advanced Air Model Series 51F Filter Return Grilles are a convenient and economical means of filtering primary return air locally. They are especially suited to recirculating air systems such as fan powered terminal units, fan coils and heat pumps. Theyhave been designed to match and compliment their respective base models in appearance.
51FBS45 Fixed 45° Deflection, 19mm Spacing, Surface Mount
51FBL45 Fixed 45° Deflection, 19mm Spacing, Lay-in T-bar
51FBSS Fixed 0° Deflection, 19mm Spacing, Surface Mount
51FBLS Fixed 0° Deflection, 19mm Spacing, Lay-in T-bar
51FES Eggcrate Grid Core, Surface Mount
51FEL Eggcrate Grid Core, Lay-in T-bar
51FPS Perforated Face Core, Surface Mount
51FPL Perforated Face Core, Lay-in T-bar
AW Appliance White polyester powder finish RAL9010 semigloss is standard. Other finishes are available.