Spiral Duct Diffusers
HaVACo Plastic Spiral Duct Registers
Plastic spiral duct registers. 4x12 inch size for 8 inch diameter duct. Adaptable to 6 and 10 inch ducts.
From $18.00
Dayus DAUSV Single Deflection Spiral Grilles
Dayus DAUSV single deflection universal round duct grilles. Install on round or spiral ducts. MADE TO ORDER - Any size in 3 days!
Dayus DAUSVD Single Deflection Spiral Grilles With Damper
Dayus DAUSVD single deflection universal round duct grilles WITH DAMPER. Install on round or spiral ducts. MADE TO ORDER - Any size in 3 days!
Dayus DAUSV~AS Single Deflection Spiral Grilles With Air Scoop
Dayus DAUSV single deflection universal round duct grilles WITH AIR SCOOP. Install on round or spiral ducts. MADE TO ORDER - Any size in 3 days!
Dayus DAUSVH Double Deflection Spiral Grilles
Dayus DAUSVH double deflection universal round duct grilles. Install on round or spiral ducts. MADE TO ORDER - Any size in 3 days!
Dayus DAUSVHD Double Deflection Spiral Grilles With Damper
Dayus DAUSVHD double deflection universal round duct grilles WITH DAMPER. Install on round or spiral ducts. MADE TO ORDER - Any size in 3 days!
Dayus DAUSVH~AS Double Deflection Spiral Grilles With Air Scoop
Dayus DAUSVH-AS double deflection universal round duct grilles WITH AIR SCOOP. Install on round or spiral ducts. MADE TO ORDER - Any size in 3 days!
TRUaire SD1A Saddle Mounted Spiral Diffusers Aluminum Finish
Saddle mounted spiral duct diffusers. Aluminum finish. Single deflection. Includes saddle curved to fit duct radius.
From $133.60
TRUaire SD1A-S Saddle Mounted Spiral Diffusers With Scoop Aluminum Finish
Saddle mounted spiral duct diffusers. Aluminum finish. Single deflection. Includes saddle curved to fit duct radius and air scoop.
From $160.30
TRUaire SD1W Saddle Mounted Spiral Diffusers White Finish
Saddle mounted spiral duct diffusers. White powder-coat finish. Single deflection. Includes saddle curved to fit duct radius.
From $129.50
TRUaire SD1W-O Saddle Mounted Spiral Diffusers With OBD White Finish
Saddle mounted spiral duct diffusers. White powder-coat finish. Single deflection. Includes saddle curved to fit duct radius and OBD damper.
From $179.00
TRUaire SD1W-S Saddle Mounted Spiral Diffusers With Scoop White Finish
Saddle mounted spiral duct diffusers. White powder-coat finish. Single deflection. Includes saddle curved to fit duct radius and air scoop.
From $167.40
TRUaire SD2A Saddle Mounted Spiral Diffusers Aluminum Finish
Saddle mounted spiral duct diffusers. Aluminum finish. Double deflection. Includes saddle curved to fit duct radius.
From $140.60
TRUaire SD2A-S Saddle Mounted Spiral Diffusers With Scoop Aluminum Finish
Saddle mounted spiral duct diffusers. Aluminum finish. Double deflection. Includes saddle curved to fit duct radius and air scoop.
From $176.70
TRUaire SD2W Saddle Mounted Spiral Diffusers White Finish
Saddle mounted spiral duct diffusers. White finish. Double deflection. Includes saddle curved to fit duct radius.
From $145.60
TRUaire SD2W-O Saddle Mounted Spiral Diffusers With OBD White Finish
Saddle mounted spiral duct diffusers. White finish. Double deflection. Includes saddle curved to fit duct radius and OBD damper.
From $193.80
TRUaire SD2W-S Saddle Mounted Spiral Diffusers With Scoop White Finish
Saddle mounted spiral duct diffusers. White finish. Double deflection. Includes saddle curved to fit duct radius and scoop.
From $182.90
TRUaire SU1A Universal Spiral Diffusers Aluminum Finish
Universal spiral duct diffusers. Aluminum finish. Single deflection. No saddle. Includes thick sealing gasket.
From $118.70
TRUaire SU1A-S Universal Spiral Diffusers With Scoop Aluminum Finish
Universal spiral duct diffusers. Aluminum finish. Single deflection. No saddle. Includes thick sealing gasket and air scoop.
From $134.70
TRUaire SU2A-S Universal Spiral Diffusers With Scoop Aluminum Finish
Universal spiral duct diffusers. Aluminum finish. Double deflection. No saddle. Includes thick sealing gasket and scoop.
From $149.00
TRUaire SU2A Universal Spiral Diffusers Aluminum Finish
Universal spiral duct diffusers. Aluminum finish. Double deflection. No saddle. Includes thick sealing gasket.
From $133.40
TRUaire SU1W Universal Spiral Diffusers White Finish
Universal spiral duct diffusers. White finish. Single deflection. No saddle. Includes thick sealing gasket.
From $124.40
why buy from us?
We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.
Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.
