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How to use Product Selection Tool:  Please use the sliders to select structure size and pipe ID to help you choose the correct SNOUT® for storm drain outlet protection or an accessory for your catch basin trapping hood.  Bio-Skirts®, Turbo Plates®, and Stainless TrashScreens can be found by selecting the “Accessories” category.   Remember to select the structure shape (Flat, Round or Neither) to get results tailored to your needs for storm drain outlet protection.  The default page only shows parts for Flat Wall Structures (e.g. boxes).  To see parts for Round Wall Structures (e.g. manholes), select Round.  Remember to always click “APPLY.”  Please note that if you hover on the products that are shown, you will see the price, but if you “click” on the product, you will see more downloads and full product information. All freight is extra.  Please contact us if you have questions.

For more information on our Turbo Plate® T.S.S. reduction system for storm drain outlet protection, click this link:

Pricing Notice:  We strive to keep our pricing up to date on the website for all our gully trap hood products and accessories. However, we are experiencing unprecedented volatility in raw materials cost, and pricing is subject to change at any time.  Surcharges will apply to Turbo Plates and can be as much as 100% of the part cost.  Please call 800-504-8008 if you would like confirmation on any pricing.  

Please note, we recommend Chrome, Edge or Safari web browsers. All of the site features may not display with Internet Explorer or Firefox.


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Structure Shape
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My structure is at least this wide (or diameter if round):


Pipe Inside Diameter


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