Gravity Water Filtration is a simple and effective method to get clean drinking water without using electricity. It works by letting water flow naturally through filters using the force of gravity. At Green-Tak, we believe this easy system is a smart choice for homes that want safe water with low cost and low maintenance. Gravity Water Filtration removes dirt, dust, bad taste, odor, a... https://www.green-tak.com/product-category/water-filtration/gravity-water-filtration/