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 24 (EPA) Screw Thread Closuresblack screw polypropylene cap 15 mm centre hole 22 mm $13.50 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closuresblack screw polypropylene cap closed-top 22 mm $13.50 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closuresnature PTFE/nature Silicone septa 22×1.5 mm 22 mm black screw polypropylene cap closed-top $60.30 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closuresnature PTFE/nature Silicone septa 22×1.5 mm 22 mm white screw polypropylene cap closed-top $60.30 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closuresnature PTFE/nature Silicone septa 22×3 mm 22 mm black screw polypropylene cap 15 mm centre hole $60.30 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closuresnature PTFE/nature Silicone septa 22×3 mm 22 mm white screw polypropylene cap 15 mm centre hole $60.30 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closureswhite screw polypropylene cap 15 mm centre hole 22 mm $13.50 Add to cart Chromatography, Closures, ND 24 (EPA) Screw Thread Closureswhite screw polypropylene cap closed-top 22 mm $13.50 Add to cart