Hach® QT Filters are recommended for use in various Hach Water Analysis Handbook Methods and other environmental reference methods. Optimized ashless hardened circles provide an abrasion resistant smo

Hach® QT Filters are recommended for use in various Hach Water Analysis Handbook Methods and other environmental reference methods. Optimized ashless hardened circles provide an abrasion resistant smo

Xenosep® DA Filters were specifically developed to save time and the inconvenience of folding filter paper circles into cones in order to contain Sodium Sulfate (or other drying agents) routinely used

Hach 934-AH® Filters are specified for use in Standard methods 2540 C, 2540 D and 2540 E. Fast flow rate, fine porosity and 1.5 µm particle retention have made this binderless borosilicate glass micro

Sartorius Biosart® 100 Monitors, Case of 48 Individually Packaged Monitors. The Sartorius Biosart 100 Monitors are incredibly unique and efficient. By drawing vacuum across the membrane, your sample i