聚醚砜膜

聚醚砜膜, Express PLUS^™, hydrophilic, pore size 0.2 μm (pore rating), membrane size 20 cm × 20 cm

聚醚砜膜, Express PLUS^™, hydrophilic, pore size 0.45 μm ((pore rating)), membrane size 20 cm × 20 cm