• 1/2” x 1/2” x 1/2” aluminum lattice face • Hinged removable extruded aluminum face frame with signature line marks • Hinges parallel to longest side • Hand operated lever for easy filter access • 4-way reversible door on square sizes • 2-way reversible door on rectangular sizes • Holds up to a 1” filter (not included) with filter retention tabs (MODEL: 620FG1) • Rust resistant pre-coat with durable powder finish • Concealed mounting holes with mounting screws • Soft White