PE cap ND20, 22 x 8.4 mm, for crimp neck and HS neck, transparent, 4.3 mm centre hole, without septa, pack of 100, LABSOLUTE® Open webshop Precision thread screw cap ND18, magnetic, silver, 8 mm centre hole, UHT septa silicone dark-red/PTFE, 3.0 mm, 45° shore A, Ultraclean, pack of 100, LABSOLUTE®