The 40 GPD (gallons per day) membrane for residential reverse osmosis (RO) systems is a compact yet highly efficient filtration component designed to provide clean and safe drinking water. With a daily production capacity of 40 gallons, it effectively removes impurities, contaminants, and harmful substances from water, ensuring high-quality output for home use. Made from durable materials, this membrane boasts excellent permeate flow and salt rejection rates, enhancing the overall performance of your RO system. Ideal for families and smaller households, the 40 GPD membrane contributes to a healthier lifestyle by delivering pure, filtered water for drinking and cooking needs.