Premium quality DI resin used after RO process to further reduce your TDS reading. Working pressure: 2.8 - 6 bar Working temperature: 2- 45. Filtration stages: 4 Safety standards compliant.Quick and easy to install. This item is in the category "Pet Supplies\Fish & Aquarium\Reverse Osmosis & Deionization". The seller is "bypiak" and is located in this country: GB. This item can be shipped to United Kingdom.