Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Chromatography, Closures, ND 8 Screw Thread Closurespre-slit blue PTFE/white Silicone septa 8 mm black screw polypropylene cap 5.5 mm centre hole $17.05 Add to cart Chromatography, Closures, ND 8 Screw Thread Closurespre-slit red PTFE/white Silicone septa 8 mm black screw polypropylene cap 5.5 mm centre hole $17.05 Add to cart Chromatography, Closures, ND 8 Screw Thread Closurespre-slit white PTFE/red Silicone septa 8 mm black screw polypropylene cap 5.5 mm centre hole $17.05 Add to cart Chromatography, Closures, ND 8 Screw Thread Closuresred PTFE/white Silicone septa 8 mm black screw polypropylene cap 5.5 mm centre hole $15.60 Add to cart Chromatography, Closures, ND 8 Screw Thread Closureswhite PTFE/red Silicone septa black screw polypropylene cap 5.5 mm centre hole $15.60 Add to cart