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.
return air grille
Return air grille options from shengtongJH for industrial and commercial ventilation. Compare blade style, opening size, mounting and accessible maintenance.
View productdecorative return air grille
Decorative return air grille by shengtongJH for commercial interiors and industrial offices. Balance patterned faces with free area, service access and mounting.
View product20x20 return air grille
20x20 return air grille from shengtongJH for industrial and commercial openings. Check nominal size, frame overlap, branch connection and removable access.
View productfiltered return air grille
Filtered return air grille from shengtongJH for accessible local filtration. Select holder depth, filter fit, latches and pressure allowance for the system.
View product20x25 return air grille
20x25 return air grille by shengtongJH for portrait return openings. Coordinate 508 × 635 mm nominal opening, branch approach, frame and service clearance.
View product20x30 return air grille
20x30 return air grille from shengtongJH for tall commercial and industrial returns. Plan core removal, plenum connection, framing and airflow selection.
View product24x24 return air grille
24x24 return air grille by shengtongJH for square return openings. Compare louvre or grid cores, opening dimensions, ceiling interfaces and accessible mounting.
View product25x20 return air grille
25x20 return air grille from shengtongJH for landscape return openings. Specify width-first dimensions, blade direction, filter access and frame overlap.
View productceiling return air grille
Ceiling return air grille by shengtongJH for commercial and industrial overhead returns. Coordinate grid fit, plenum connection, retention and maintenance.
View productfloor return air grille
Floor return air grille from shengtongJH for suitable commercial and industrial floors. Select support, openings, removal method and project-specific loading.
View productreturn air grille filter
Return air grille filter from shengtongJH for replacement and local filtration. Match actual panel dimensions, media, pressure drop and holder retention.
View productreturn air grille with filter
Return air grille with filter from shengtongJH for accessible commercial and industrial returns. Coordinate the face, holder, filter and fan allowance.
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