ND18Magnetic Screw Cap, Sil/PTFE (white/blue),1.5mm, pk/100 Back Catalog number: 18031414 Availability: In the manufacturer's stock Price on request - + Recommended 32018R-2375A 20mL Amber Rounded Bottom Headspace Vial, 23x75mm, 61,16 € 702261 20mL HS vial,clear,22.5x75.5mm,flat bottom,pk/100 31,08 € 5356B-18M 18mm Metal Closure with bluePTFE/SIL,0.060",pk/100 92,19 €