It are designed for efficient and reliable filtration in laboratory applications. Featuring a 0.45µm pore size and a 25mm diameter, these filters are ideal for medium to large volumes of liquid filtration. Made from high-quality RC (Regenerated Cellulose), these transparent filters allow easy visual monitoring of filtration progress. These non-sterile filters are perfect for general laboratory use such as sample preparation, microbiological analysis, and other sensitive applications. The pack of 500 provides excellent value for laboratories requiring high-volume filtration.