Quick dispense upgrade for your ro system will greatly increase the flow rate of water from the tank to the faucet. The higher water flow will allow you to fill up a glass or pitcher of water much faster. Reduces wait time when drawing and filling large pots of water for making soups or beverages. APEC Water Systems does not distribute or sell our products to any 3RD party sellers on Amazon. Please purchase genuine apec water system product in “new” condition from Amazon.Com or apec water directly for authenticity. Manufacture warranty may not apply in all cases, depending on factors such as use of product, where the product was purchased, or whom you purchased the product from. Please review the warranty carefully and contact apec if you have any question.