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.
wall return air grille
Wall return air grille by shengtongJH for industrial and commercial air paths. Plan clear approach, perimeter fixing, blade sightlines and filter access.
View product12x12 return air grille
12x12 return air grille from shengtongJH for compact industrial and commercial branches. Check opening, face overlap and the pressure available at the return.
View producthvac return air grille
HVAC return air grille by shengtongJH for coordinated air-system selection. Match the face, plenum, filter strategy, pressure allowance and service access.
View productsteel return air grille
Steel return air grille from shengtongJH for practical industrial and commercial returns. Compare coating, edge details, support and removable-core construction.
View product14x14 return air grille
14x14 return air grille by shengtongJH for square branch openings. Coordinate frame support, core access, nearby services and the required return flow.
View product14x20 return air grille
14x20 return air grille from shengtongJH for narrow portrait openings. Check 355.6 × 508 mm opening, blade sightline and rear connection space.
View product30x14 return air grille
30x14 return air grille by shengtongJH for wide shallow return openings. Coordinate frame stiffness, rear airflow distribution and horizontal service clearance.
View product14x30 return air grille
14x30 return air grille from shengtongJH for tall narrow wall bays. Plan 355.6 × 762 mm opening, access, blade orientation and connected return space.
View product14x6 return air grille
14x6 return air grille by shengtongJH for shallow return slots. Check 355.6 × 152.4 mm nominal opening, blade free area and connection restrictions.
View product16x20 return air grille
16x20 return air grille from shengtongJH for portrait branch openings. Coordinate mounting, rear box, core removal and optional filtration.
View product16x25 return air grille
16x25 return air grille by shengtongJH for taller narrow returns. Plan 406.4 × 635 mm opening, filter access, border support and rear approach.
View product20x16 return air grille
20x16 return air grille from shengtongJH for horizontal return bays. Coordinate 508 × 406.4 mm opening, sightline, access edge and installation support.
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