• This fitting connects 3½ in. corrugated pipe to 4 in. corrugated pipe. It can be used as a reducer or increaser, making it easy to transition between sizes. Made from durable HDPE, it installs quickly and provides a secure, reliable fit for your drainage system. Installation is easiest when the larger diameter pipe is installed first.
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Introducing FDM's New Quick Connect Pipe Connectors for 3½ in. corrugated pipe. For straight runs we recommend putting them every 2 feet and a curvy run we recommend using them every 18 inches. Available in the following Quantities
    • 25 clips - $38.00
    • 50 clips - $69.00
    • 100 clips - $124.00
  • Sale!

    TORRENTIAL RAIN™ 3½ in. Corrugated Wye Fitting
    Connects to 3½ in. Corrugated

    Original price was: $25.00.Current price is: $12.40.
    • Joins 3 pieces of  3½ in. corrugated pipe at a 45° Y angle
    • Easy snap connection to corrugated pipe
    • Provides directional flow
    An FDM Favorite The 45° Y angle increases velocity of a drainage system as other fittings can interrupt flow in certain applications.
  • Sale!
    Select options This product has multiple variants. The options may be chosen on the product page / Details

    4 oz. Non Woven Geotextile Fabric
    (10 sizes)

    Price range: $36.25 through $223.75
    Double Punched Non-Woven Geotextile Drainage Filter Fabric 4 oz- Commercial Grade – 150 Year Fabric – Made in USA (10 sizes) Our purpose built non-woven geotextile filter fabric is made of 100% polypropylene, making it strong yet soft and flexible. It has been needle punched twice which allows water to go through while preventing soils and other material from passing, extending your drainage systems life and performance. It is also great for many other applications including farming/gardening, landscaping drainage, road stabilization and retaining walls.
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