Replaces SLCR025NS & Z227412, 0.45 µm pore size, 33 mm diameter, Millex-LCR hydrophilic PTFE membrane: Pricing: SLLG033: Replaces SLLGH25NK, 0.20 µm pore size, 33 mm diameter, Millex-LG hydrophilic PTFE membrane: Pricing: SLLGR04NL: 0.20 µm pore size, 4 mm diameter, Millex-LG hydrophilic PTFE membrane: Pricing: SLLHC25NS