Specifications

Designer Style
• Low profile, not adjustable
• Matches Fantech grille-light unit
5540.001 4" Designer Exhaust Grille
5540.003 6" Designer Exhaust Grille
Traditional Style
• Adjustable, use for both exhaust and supply
• Diffuses air across ceiling or wall
5540.01 4" or 5" Adjustable Supply/Exhaust Grille
5540.02 6" Adjustable Supply/Exhaust Grille
5540.030 8" Adjustable Supply/Exhaust Grille
with mounting collar
Galvanized Mounting Collars
• Nailing flange attaches to ceiling joist
• Serves as an anchor to attach duct work
and pressure fit grilles
5540.04 4" Mounting Collar
5540.05 5" Mounting Collar
5540.06 6" Mounting Collar
Drop-Ceiling Style
• Adjustable, use for both exhaust and supply
• Diffuses air across ceiling or wall
• Includes mounting flange/collar
5540.032 4" Boflex Supply & Exhaust Grille
5540.033 5" Boflex Supply & Exhaust Grille
5540.031 6" Boflex Supply & Exhaust Grille
IN-LINE FAN AND DUCT MOUNTING CLAMPS
• Used to attach metal ductwork to
Fantech fans
• Rubber lining to break vibration
5510.40 4" Mounting Clamps (Pair)
5510.41 5" Mounting Clamps (Pair)
5510.42 6" Mounting Clamps (Pair)
5510.43 8" Mounting Clamps (Pair)
5510.44 10" Mounting Clamps (Pair)
5510.45 12" Mounting Clamps (Pair)
4530.01 4" x 25' Insulated Flex Duct
4530.03 6" x 25' Insulated Flex Duct
4530.05 8" x 25' Insulated Flex Duct
4530.50 36" Zip Ties, bundle of 50
National distributor shipping direct throughout the United States
to place orders or for more information:
800 / 876 / 0660
 fax 888 / 440 / 4219
Wisconsin 800 / 962 / 7015
 Wisconsin fax 920 / 757 / 6452
headquarters 40 Washington Street, Westborough, Massachusetts 01581 • www.efi.org/wholesale
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EXHAUST/SUPPLY GRILLES AND COLLARS INSULATED FLEX DUCT
BACKDRAFT DAMPERS
Ventilation Accessories
Backdraft Dampers stop outside air from coming in the building
when the fan is turned off.
• Light duty spring with gasket seal
• Use with Fantech fans
5540.08 4" Backdraft Damper
5540.09 5" Backdraft Damper
5540.1 6" Backdraft Damper
5540.12 8" Backdraft Damper
5540.13 10" Backdraft Damper
5540.14 12" Backdraft Damper
• Cloth sleeve damper causes very little resistance to air flow
• Use with Panasonic fans if running 2 fans to
one outlet
5540.075 4" Cape Style Backdraft Damper
5540.076 6" Cape Style Backdraft Damper
• Used to allow make up air into the building
• Complete close option
• Draft-free diffusion with adjustable airflow
• Removable filter for cleaning
5510.68 Fresh 80 Ventilator (20 CFM) 3.25" Duct
5510.681 Fresh 80 Extension Sleeve (For 8"–14" wall)
5510.69 Fresh 100 Ventilator (30 CFM) 3.75" Duct
5510.691 Fresh 100 Extension Sleeve (For 8"–14" wall)
PASSIVE AIR INLETS
TIP: Insulated flex duct may be used in certain
circumstances, however we suggest using rigid
ducts whenever possible. Potential dangers include
the possibility of dips, sags and bends in the flex duct
that can diminish performance of the system. Use only
in short runs.