In situ groundwater remediation technique is a commonly adopted method for the treatment of contaminated groundwater and the porous media associated with it. Engineered Injection and Extraction (EIE) has evolved as an improved methodology for in situ remediation. where sequential injection and extraction of clean water around the treatment area enhances the spreading of treatment reag... https://www.allfixelectricales.shop/product-category/inlet-valve-to-fill-chamber-hose/