GHP Nanosep MF Centrifugal Device HPLC Grade 0.45 um Ideal for particulate removal prior to sample analysis (HPLC IC GC or MS) especially when sample recovery is a concern. Filtration area: 0.28cm2. Length: 4.5cm. 50-500uL capacity. Hold-up volume: \<5uL. Temperature range: 0-40[degree]C.