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Fits perfectly in the InstaDry Sump Kit™ lid where there is a 3" soil gas mitigation access hole. This stub will seal this opening if soil gas mitigation is not necessary.

Price: $5.99
In stock
    Availability: Sold Out
    Ships Call 877.379.7658 for Details
    3st-stub

    Item #: 3st-stub
    Availability: Sold Out
    Ships Call 877.379.7658 for Details

    Use this product to plug the 3" hole in the lid of the Instadry Sump Kit™ once you have determined that Radon and other soil gases are not a threat. The 3" hole is used to mitigate soil gas such as Radon, Methane, Acidtone etc. Check with your local building department on how your local government requires you to mitigate these and other gases.

    This product also allows you to drain Air Conditioning drain lines as well as a dehumidifier drain by drilling the proper size hole in the side of the pipe.