For Model Numbers D4741 D4742 D4743 D4744 D4745 D4746 D4751 D4752 D4753 D4754 D4755 D4756 The Nanopure Bioresearch is a popular system that is no longer manufactured. Originally manufactured by Barnstead/Thermolyne in the 1990's. These systems were also know as Nanopure quad systems. available as a basic type 1 lab system or as a UF system for pyrogen free type 1 water. There are many cartridge configuration available depending on the water quality you need and the feed water quality. You will find the replacement filters and other parts for the system in this section. We offer filters individually and in Kit form. We can usually save you a lot of money when you make order individual filters. Give us a call and we can make sure you order only the filters you need. The premade kits often force you to buy filters that you do not need. 99% of these system would use 1CF18012MB18011OS1801and 1FF0501filters. These filters can be ordered as kit #B-CDDO2. This combination of filters will give you the water highest purity and would give you bacteria free type 1 water with low levels of organic contamination. Operations Manual How to change the filters in this device

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