Filtech #1209B Glass Microfibre Filter Paper

Filtech Grade 1209B is a triple-layer glass fibre filter combining a top layer of Grade 423 (3.1µm), a middle layer of Grade 333 (1.2µm), and a bottom layer of Grade 423. This unique sandwich construction delivers high loading capacity with excellent fine-particle retention. Binder-free — no additives that may interfere with enzymatic or chemical reactions. Suited to liquid scintillation counting, radioimmunoassay, water and wastewater analysis, and as a pre-filter to extend membrane life.