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Galvanized Steel Non Return Air Damper - 150MM / 200MM / 250MM / 300MM

SKU: DUCT13500
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The Galvanized Steel Non Return Air Damper – 150MM / 200MM / 250MM / 300MM is designed to ensure optimal airflow control within ventilation systems by allowing air to move in one direction only. This backdraft damper is ideal for both residential and commercial HVAC installations where preventing reverse airflow is critical to maintaining system efficiency and air quality.

Crafted from corrosion-resistant galvanised steel, this damper offers reliable durability and long-term performance even under demanding conditions. Whether you're a professional HVAC installer or a DIY user, this damper is an essential component for preventing unwanted air backflow and maintaining a clean, efficient ventilation system.

Available in four common duct sizes — 150MM (6”), 200MM (8”), 250MM (10”), and 300MM (12”) — this damper fits standard ducting configurations and is easy to install with minimal maintenance required.

Features

  • Prevents reverse airflow in ventilation and HVAC systems
  • Heavy-duty galvanised steel construction for durability
  • Supports efficient system operation by maintaining airflow direction
  • Reduces energy loss and prevents contamination from backdraft
  • Suitable for residential, commercial, and industrial applications
  • Available in 150MM, 200MM, 250MM, and 300MM diameters

Specifications

Feature Details
Material Galvanised Steel
Function One-Way Airflow (Non-Return)
Sizes Available 150MM / 200MM / 250MM / 300MM
Installation In-line duct mounting
Application HVAC, Exhaust, Ventilation Systems

In The Box

  • [1] x Galvanized Steel Non Return Air Damper - 150MM / 200MM / 250MM / 300MM