Return Air Grilles
Return air grilles for industrial and commercial HVAC. Compare wall, ceiling, floor, filter-access and grille-face options in a range of nominal opening sizes.
25x16 return air grille
25x16 return air grille by shengtongJH for wide return connections. Check nominal opening, plenum width, frame seating and accessible centre removal.
View product30x20 return air grille
30x20 return air grille from shengtongJH for broad commercial and industrial returns. Plan support, handling, connection geometry and optional filtration.
View product30x6 return air grille
30x6 return air grille by shengtongJH for long shallow return slots. Check free area, frame alignment, rear transition and accessible installation.
View product32 x 8 return air grille
32 x 8 return air grille from shengtongJH for narrow commercial return openings. Match width, blade clearance, rear connection and cleaning access.
View productcustom return air grille
Custom return air grille sourcing from shengtongJH. Define the opening, frame, core, finish and maintenance access in a coordinated fabrication drawing.
View productmodern return air grille
Modern return air grille from shengtongJH for commercial and industrial interiors. Compare simple profiles, serviceable fixings and a clear return-air path.
View product12x24 return air grille
12x24 return air grille by shengtongJH for tall return openings. Coordinate 304.8 × 609.6 mm nominal opening, blade orientation and nearby service access.
View product14x25 return air grille
14x25 return air grille from shengtongJH for narrow vertical service areas. Plan the 355.6 × 635 mm opening, hinge clearance and mounting support.
View product16x16 return air grille
16x16 return air grille from shengtongJH for square commercial branches. Match 406.4 mm nominal opening, usable face area and plenum connection.
View product18x18 return air grille
18x18 return air grille by shengtongJH for serviceable square returns. Coordinate 457.2 mm opening, removable core, perimeter support and cleaning access.
View product20x25 return air grille decorative
20x25 return air grille decorative options from shengtongJH. Balance a 508 × 635 mm opening with pattern free area, mounting and filter access.
View productegg crate return air grille
Egg crate return air grille from shengtongJH for commercial return and ventilation openings. Compare open-cell geometry, plenum visibility and service access.
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