Stopper, with 1 hole, 5 mm dia, Size of 11, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use petroleum products, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 48mm, Top 56mm, Length 25mm
Rubber Stopper, with 1 Hole, color: black, made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions, Low sulfur content, Withstands temperatures from -25 to 70 deg C, Size: 1
Stopper, solid bottom, Colour: Blue, recommended by ASTM std, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids and bases, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 13mm, Top 17mm, Length 25mm
Stopper, with 2 hole, 5 mm dia, Size of 8.5, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use petroleum products, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 36mm, Top 43mm, Length 25mm
Stopper, solid bottom, Size of 9, Colour: Blue, ASTM std, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids and bases, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 37mm, Top 45mm, Length 25mm
Solid stopper, Blue ASTM, neoprene ASTM, Bottom 50mm, Top 63mm, Length 25mm, are made from long lasting neoprene rubber, and are oil resistant, Can be used up to temperatures of 250 deg F / 120 deg C, Size: No 11.5, Pack of 10