Thermo Scientific Webseal Mat Blue Ptfe/Silicone for 96 Square Well Plates 8MM Flat Base Large Penetration Area NO Slit 5/PK - Pack of 5 THERMO SCIENTIFIC CHROMATOGRAPHY WEBSEAL MAT; BLUE; PTFE/SILICONE; FOR 96 SQUARE WELL PLATES; 8MM; FLAT BASE; LARGE PENETRATION AREA; NO SLIT; 5/PK 60180-M120 GBP 199.99 1