Fantech 4" Duct Spring Loaded Backdraft Damper - 6 pack

About the Fantech RSK4M 4" Duct Spring Loaded Backdraft Damper - 6 pack

Backdraft dampers are important to install to prevent the back pressure that can be associated with high volume ventilation systems. For some fan types, high levels of back pressure can damage the fan or it’s operating abilities. To prevent this, you will want to install Fantech RSK4M back pressure dampers to block the back pressure.  The Fantech RSK4M set contains 6 dampers, all with spring loaded closure systems. Made of industrial grade galvanized steel with lightweight aluminum damper blades.

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Quick Ship items are in-stock and ready to ship as soon as they are ordered. We understand the need to get you items to you faster, so we've made it easier!  Order your items by 2pm (PST) Mon-Fri and your order will be on it's way to you that same day! Most of our items qualify, each qualifying item has a special icon.

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• Orders placed over the weekend, or on a recognized holiday, will be shipped the next business day. If the quantity ordered is not entirely in-stock, the entire or part of the order may be held until the item returns back in stock, then the order will be shipped immediately.
• Your order must be placed before 2:00PM PST / 5:00PM EST M-F in order to qualify for Same Day Shipping. Orders placed after will ship the following business day.

What if my item is on Backorder or Requires Processing?

• If items in your order require processing time or are on Backorder, your order may not ship the same day. If your items all qualify for Quick Ship, and your order total exceeds $50, your package will be shipped free of charge (standard ground shipping included), and will take between 1-3 days depending on your location. Expedited delivery is available (expedited rates apply).

Free Shipping Policy

• Free Shipping 1 day, 2 day or 3 day: “Free Shipping” constitutes using “UPS Ground” service rates. Due to your zip code location and our distribution location your order may qualify for 1 day, 2 day or 3 day advertised shipping notice. This is not expedited service and not guaranteed delivery days. This is solely subject to warehouse availability and UPS advertised delivery times from our zip code to your zip code. Westside Wholesale may reserve the right to ship your order from multiple locations to complete your purchase as timely as possible.