Expand. Hide. SLCR013. 0.45 μm pore size. non-sterile. PTFE membrane (hydrophilic) high-density polyethylene. high-density polyethylene housing. Replaced by SLCRX13NL, 0.45 µm pore size, 13 mm diameter, Millex-LCR hydrophilic PTFE membrane, non-sterile.