Elga Labwater Pou Filter Unit EA. The second window contains a grid like pattern which keeps the filling clean and makes it easy to change the filter while sampling. The third window has a grid like pattern which keeps the filling out of the filter medium and makes it easy to draw it through. Finally the pouch is welded and sealed to keep leaks to a minimum. The filter life is extended by using the foldout function. The Pou is made of polycarbonate and is blue in color. It has two functions: to retain a sample while filling and to retain a sample after filling. The Elga Labwater Pou Filter LC145 is an essential part of the daily work of a laboratory allowing contamination free sampling and accurate sample delivery to the lab for research and development of new protocols. Specifications for Elga Labwater Pou Filter LC145: Catalog number: 89204-304 Type: INST/EQUIP 0-499 Description: Point of Use Filter Supplier No.: LC145 Package Contents: Elga Labwater Pou Filter LC145 / 89204-304 The Elga Labwater Pou Filter LC145 is a quality addition to the Elga Labwater lineup. For more great deals on Laboratory Apparatus by Elga Labwater please browse our Elga Labwater Laboratory Apparatus page. Elga Labwater Pou Filter LC145 Unit EA