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New EZ Flow TWIST will screw in to 3″ corrugated perforated ADS black pipe. This One-way window well valve serves as a check for radon systems. Make your system run more efficiently and effectively. Read more about check valves here. Allow water to drain while maintaining your pressure field.
Recommended to clean drain valve biannually
Made by mitigators, for mitigators!
3D printed in the USA with specifications to the millimeter.
Colorado-made. Support two small businesses with this purchase!
**Due to customer feedback, design changes may be implemented at anytime. Product received may not match photos on website because we’re always improving!!**
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