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Ships within 48 hours · Estimated delivery Oct 6 - Oct 11
Rust resistant pre-coat with durable powder finish
Standard Features * Use in applications for installing round without damper * Steel galvaneal construction
Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White
Fixed bars with 0° deflection
Holds up to a 4" filter (not included) with filter retention tabs (FG4)
Steel Blade Grille - Vertical Fixed Blade 937-18X12 Damper:without Damper Rust resistant pre-coat with durableStandard Features *Surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 937 O recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T T Bar mount * 905 HD reinforced construction * 905 IS insect screen * 1335 1338 Series stainless steel version * Tamper proof screws
