The WD-100 series are horizontally mounted backdraft dampers designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential (assisted by springs) and closed by gravity. The damper features a flangeless, galvanized steel frame and aluminum blades.

30 x 30 inch base with prepunched mounting holes for easy attachment to roof curbAll aluminum exterior for corrosion-resistant constructionIntegral birdscreen to prevent entry of birds and small objects

Customer agrees that products purchased from the GE HealthCare Service Shop will only be used in operating and servicing medical equipment at a healthcare facility located in the United States in which it was intended, and will not be otherwise used for manufacturing, resale or other distribution.

Model GPF roof curbs are designed for high wind applications and flat roof installations. Constructed of heavy gauge galvanized steel and fully formed on three sides with a single, fully welded seam.

For natural gravity or positive pressure systems, model GRS offers excellent performance and durability for intake or relief applications. Featuring an exceptional low silhouette design and rugged construction this model is both efficient and economical.

Below is more information on the equivalent parts. Parts without a hyperlink are listed for reference only and are not available for purchase online.

GPI roof curbs are designed for flat, insulated or non-insulated roof decks. Constructed of 18 gauge galvanized steel and fully formed on three sides with a single, fully welded seam.

Model GPF roof curbs are designed for high wind applications and flat roof installations. Constructed of heavy gauge galvanized steel and fully formed on three sides with a single, fully welded seam.

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Don't know your approval number? Call 800-437-1171Enter opt 1 for the first three prompts, and have your System ID available.If you add item(s) to cart and submit your order without selecting an approver, GE will contact you before your order can be confirmed for shipment.

Don't know your approval number? Call 800-437-1171Enter opt 1 for the first three prompts, and have your System ID available.If you add item(s) to cart and submit your order without the approval number, GE will contact you before your order can be confirmed for shipment.

GPI roof curbs are designed for flat, insulated or non-insulated roof decks. Constructed of 18 gauge galvanized steel and fully formed on three sides with a single, fully welded seam.

Time is valuable when it comes to patient care. Service Shop, from GE HealthCare, makes ordering faster and easier than ever before, so you can focus on what matters the most - patient care.

30 x 30 inch base with prepunched mounting holes for easy attachment to roof curbAll aluminum exterior for corrosion-resistant constructionIntegral birdscreen to prevent entry of birds and small objects