Ultra Low Leak Airfoil Control Damper

The A28 / A29 ultra low leakage airfoil damper is designed to meet the AMCA's Air Leakage and Performance Certification requirementswith its unique airfoil blade design, stainless steel jamb seals and extruded silicone blade seals.

AMCA Certified Louver for Air Performance and Water Penetration

Arrow United products are made in the U.S.A.

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Filter Products

Model:	A28 / A29
Filter:	A28,A29
Minimum Size:	12" x 12" Parallel Single Blade 12" x 14" Parallel Opposed Blade
Maximum Size:	60" x 72"
Frame Depth:	5" Deep
Frame Type:	Channel, Hat or Flange
Frame Material:	12 ga. / .080 or .125 Extruded Aluminum
Blade Type:	6" Airfoil
Blade Material:	12 ga. / .080 Extruded Aluminum
Blade Action:	Parallel (A28) or Opposed (A29)
Shaft:	Spline (Prevents Slipping)
Jamb Seals:	Stainless Steel
Blade Seals:	Extruded Silicone
Bearings:	Double Sealed
Linkage:	In-Jamb with Assist Linkage On-Blade
Finish:	Mill
AMCA:	Air Leakage and Performance Certified

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