TRUaire

TRUaire SD2A-S Saddle Mounted Spiral Diffusers With Scoop Aluminum Finish

Spiral SD2A-S Duct Diffusers were born of the rustic exposed ceiling era in architectural design. Wherever air needs to leave ductwork and enter the conditioned space a hole is cut in the duct. A register is then attached for directional air control and aesthetics. The saddle type diffuser is available in either single deflection or double deflection blade configurations.

  • Unfinished aluminum appearance 
  • Double deflection configuration
  • Includes adjustable air scoop
  • No damper 
  • Saddle curved to fit duct radius
  • Adjustable bars on grille face

Note that LIST SIZE is the size of the duct opening.  See submittal sheet for actual grille dimensions.

model description usually ships price QTY
SD2A-S 10X04-10 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x04" LIST size, 10" round duct saddle. 2-3 Days $85.60
SD2A-S 10X04-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x04" LIST size, 12" round duct saddle. 2-3 Days $85.60
SD2A-S 10X06-10 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x06" LIST size, 10" round duct saddle. 2-3 Days $92.20
SD2A-S 10X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x06" LIST size, 12" round duct saddle. 2-3 Days $92.20
SD2A-S 10X06-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x06" LIST size, 14" round duct saddle. 2-3 Days $92.20
SD2A-S 10X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x06" LIST size, 16" round duct saddle. 2-3 Days $92.20
SD2A-S 10X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x06" LIST size, 18" round duct saddle. 2-3 Days $92.20
SD2A-S 10X06-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 10x06" LIST size, 20" round duct saddle. 2-3 Days $92.20
SD2A-S 12X04-10 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x04" LIST size, 10" round duct saddle. 2-3 Days $89.30
SD2A-S 12X04-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x04" LIST size, 12" round duct saddle. 2-3 Days $89.30
SD2A-S 12X04-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x04" LIST size, 14" round duct saddle. 2-3 Days $89.30
SD2A-S 12X04-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x04" LIST size, 16" round duct saddle. 2-3 Days $89.30
SD2A-S 12X04-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x04" LIST size, 18" round duct saddle. 2-3 Days $89.30
SD2A-S 12X04-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x04" LIST size, 20" round duct saddle. 2-3 Days $89.30
SD2A-S 12X06-10 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x06" LIST size, 10" round duct saddle. 2-3 Days $94.60
SD2A-S 12X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x06" LIST size, 12" round duct saddle. 2-3 Days $94.60
SD2A-S 12X06-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x06" LIST size, 14" round duct saddle. 2-3 Days $94.60
SD2A-S 12X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x06" LIST size, 16" round duct saddle. 2-3 Days $94.60
SD2A-S 12X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 12x06" LIST size, 18" round duct saddle. 2-3 Days $94.60
SD2A-S 14X04-10 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x04" LIST size, 10" round duct saddle. 2-3 Days $91.60
SD2A-S 14X04-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x04" LIST size, 12" round duct saddle. 2-3 Days $91.60
SD2A-S 14X04-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x04" LIST size, 16" round duct saddle. 2-3 Days $91.60
SD2A-S 14X06-10 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x06" LIST size, 10" round duct saddle. 2-3 Days $97.50
SD2A-S 14X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x06" LIST size, 12" round duct saddle. 2-3 Days $97.50
SD2A-S 14X06-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x06" LIST size, 14" round duct saddle. 2-3 Days $97.50
SD2A-S 14X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x06" LIST size, 16" round duct saddle. 2-3 Days $97.50
SD2A-S 14X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x06" LIST size, 18" round duct saddle. 2-3 Days $97.50
SD2A-S 14X06-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x06" LIST size, 20" round duct saddle. 2-3 Days $97.50
SD2A-S 14X08-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x08" LIST size, 12" round duct saddle. 2-3 Days $103.00
SD2A-S 14X08-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x08" LIST size, 14" round duct saddle. 2-3 Days $103.00
SD2A-S 14X08-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x08" LIST size, 16" round duct saddle. 2-3 Days $103.00
SD2A-S 14X08-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 14x08" LIST size, 18" round duct saddle. 2-3 Days $103.00
SD2A-S 16X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 16x06" LIST size, 12" round duct saddle. 2-3 Days $106.40
SD2A-S 16X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 16x06" LIST size, 16" round duct saddle. 2-3 Days $106.40
SD2A-S 16X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 16x06" LIST size, 18" round duct saddle. 2-3 Days $106.40
SD2A-S 16X08-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 16x08" LIST size, 12" round duct saddle. 2-3 Days $116.60
SD2A-S 16X08-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 16x08" LIST size, 14" round duct saddle. 2-3 Days $116.60
SD2A-S 16X08-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 16x08" LIST size, 16" round duct saddle. 2-3 Days $116.60
SD2A-S 18X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x06" LIST size, 12" round duct saddle. 2-3 Days $111.20
SD2A-S 18X06-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x06" LIST size, 14" round duct saddle. 2-3 Days $111.20
SD2A-S 18X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x06" LIST size, 16" round duct saddle. 2-3 Days $111.20
SD2A-S 18X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x06" LIST size, 18" round duct saddle. 2-3 Days $111.20
SD2A-S 18X08-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x08" LIST size, 12" round duct saddle. 2-3 Days $119.60
SD2A-S 18X08-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x08" LIST size, 14" round duct saddle. 2-3 Days $119.60
SD2A-S 18X08-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x08" LIST size, 16" round duct saddle. 2-3 Days $119.60
SD2A-S 18X08-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x08" LIST size, 18" round duct saddle. 2-3 Days $119.60
SD2A-S 18X08-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 18x08" LIST size, 20" round duct saddle. 2-3 Days $119.60
SD2A-S 20X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x06" LIST size, 12" round duct saddle. 2-3 Days $117.70
SD2A-S 20X06-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x06" LIST size, 14" round duct saddle. 2-3 Days $117.70
SD2A-S 20X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x06" LIST size, 16" round duct saddle. 2-3 Days $117.70
SD2A-S 20X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x06" LIST size, 18" round duct saddle. 2-3 Days $117.70
SD2A-S 20X06-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x06" LIST size, 20" round duct saddle. 2-3 Days $117.70
SD2A-S 20X08-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x08" LIST size, 12" round duct saddle. 2-3 Days $121.40
SD2A-S 20X08-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x08" LIST size, 14" round duct saddle. 2-3 Days $121.40
SD2A-S 20X08-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x08" LIST size, 16" round duct saddle. 2-3 Days $121.40
SD2A-S 20X08-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x08" LIST size, 18" round duct saddle. 2-3 Days $121.40
SD2A-S 20X08-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 20x08" LIST size, 20" round duct saddle. 2-3 Days $121.40
SD2A-S 24X06-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 24x06" LIST size, 12" round duct saddle. 2-3 Days $125.30
SD2A-S 24X06-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 24x06" LIST size, 14" round duct saddle. 2-3 Days $125.30
SD2A-S 24X06-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 24x06" LIST size, 16" round duct saddle. 2-3 Days $125.30
SD2A-S 24X06-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 24x06" LIST size, 18" round duct saddle. 2-3 Days $125.30
SD2A-S 24X06-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 24x06" LIST size, 20" round duct saddle. 2-3 Days $125.30
SD2A-S 30X08-12 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 30x08" LIST size, 12" round duct saddle. 2-3 Days $144.50
SD2A-S 30X08-14 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 30x08" LIST size, 14" round duct saddle. 2-3 Days $144.50
SD2A-S 30X08-16 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 30x08" LIST size, 16" round duct saddle. 2-3 Days $144.50
SD2A-S 30X08-18 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 30x08" LIST size, 18" round duct saddle. 2-3 Days $144.50
SD2A-S 30X08-20 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 30x08" LIST size, 20" round duct saddle. 2-3 Days $144.50
SD2A-S 30X08-24 TRUaire saddle mounted spiral diffuser. Double deflection, with SCOOP. Aluminum finish. 30x08" LIST size, 24" round duct saddle. 2-3 Days $144.50
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truaire sd2a-s spiral duct grilles

truaire spiral duct grilles