SIDE TAKE OFF WITH DAMPER (STOD) • All Aluminum Construction• Heavy duty .032" thickness• Best pressure drop performance of

all fittings• Pre-punched 1" wide mounting

flange with gasket• Integral bead

Diameters:4",5",6",7",8",9",10",12",14",15",16",18"Options: No damper, insulation build-out,heavier gauge, stainless steel construction.

SPIN FITTING WITH DAMPER (FLD) • All Aluminum Construction• Heavy duty .032" thickness• Quality Commercial Spin fitting• Deep spin groove for secure connection• Integral bead

Diameters: 4",5",6",7",8",9",10",12",14",15",16",18"Options: No damper, insulation build-out, heaviergauge, stainless steel construction.

CONICAL FITTING WITH DAMPER (CBD)• All Aluminum Construction• Heavy duty .032" thickness• Reduce pressure drop from standard

straight fitting• Deep spin groove for secure connection• Integral bead

Diameters: 4",5",6",7",8",9",10",12",14",15",16",18"Options: No damper insulation build-out, heaviergauge, stainless steel construction.

SQUARE TO ROUND (F2SO)• All Aluminum Construction• Heavy duty .032" thickness• Three inch beaded collar

Options: open or closed corners, heaviergauge, stainless steel construction.

• MRI ROOMS• OPERATING ROOMS

• WET LABS • R&D LABS

FLEXIBLE DUCT (NI-35)• Highest quality mechanical union of fabric

and aluminum Helix• UL 181 rated• Pressure ratings 12" w.g. positive,

5" w.g. negative• -20° to +250° F temperature rating• 25/50 flame smoke rating

Diameters: 4",5",6",7",8",9",10",12",14",15",16"Options: available product NI-45, type 3, 3M, 4, 4M, 6,6M, 8, & 8M;Thermal insulation sleeve R-4.2 & R-6.0,available in larger sizes

TRIPLE LOCK DUCT (NI-TL)• All Aluminum Construction• Air tight seam• UL 181 Class 0 Air Duct• Pressure ratings 10" w.g. positive,

12" w.g. negative• -60° to +600° F temperature rating

Diameters: 4",5",6",7",8",9",10",12",14",15",16"Options: available in larger sizes, R-4.2 or R-6.0Thermal insulation sleeve, Polyethylene or reinforcedmetalized protective vapor barrier, stainless steel construction.

ACCESS DOOR (TBSM)• All Aluminum Construction• Heavy duty .032" thickness• Tab door designed for low pressure

applications• Door gasket• One inch insulation• Cam Locks

Options: Heavier gauge, Hinged Door,ViewPort, stainless steel construction.

STICK ON GASKETS (SOG)• All Aluminum Construction• Heavy duty .032" thickness• Pre-punched flange with adhesive

neoprene gasket• Low leakage, quick installation

Options: available for spin-ins, and conicals,heavier gauge

• REHAB FACILITIES• LOCKER/SHOWER AREAS

• ISOLATION ROOMS• CLEAN ROOMS

• Triple locked aluminum perforated core, 20-25% open area• Airstream protected from thermal jacket by UL approved acoustically

transparent sleeve• Components will not burn, self extinguishing• Anti-microbial properties inhibit the growth of mold and mildew• Pressure rating: 6” w.g. positive, 2” w.g. negative • -20° to +250° F temperature rating• 25/50 flame smoke rating• UL-181 class 1 rated: conforms to NFPA-90A• Rated velocity 4000 FPM

Diameters: 6”, 8”, 10”, 12”, 14” and 16”Thermal barrier available: R-6.0Lengths: Standard 5’; contact factory for special lengths

MGA-TLB

MGA-TLM

MGA-TLD

Effective acoustical design in medical carefacilities should allow for a good night’srest for patients and a distraction-freeenvironment for health care professionals.

Flexmaster medical grade acoustical ductprovides a safe and healthy environmentwhile eliminating noise from the air flow.

MEDICAL GRADE ACOUSTICAL DUCT

Noise Reduction dB (5 foot length, 10" diameter)*

Hertz 125 250 500 1K 2K 4KOctave Band 2 3 4 5 6 7MGA-TLB-R6 12.2 23.2 22.9 27.8 21.4 11.2MGA-TLM-R6 15.8 24.6 25.8 27.9 18.2 10MGA-TLD-R6 10.7 12.8 24 28.6 16.1 10.9* additional sizes & their dB reductions available by request