BulkReefSupply.com carries numerous reverse osmosis accessories to add on to your existing reverse osmosis/deionization system. These accessories will help maintain your RO system while also helping you monitor your filter quality, water quality and pressure. Add a float valve and an auto shut off valve to avoid spillage. Maintain higher water pressure with the addition of a booster pump from Aquatec. As always, our excellent customer service representatives are available to answer any of your RO/DI system questions.