Stopper, with 1 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
Stopper, solid bottom, Size of 6, 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: 26mm, Top 32mm, Length 25mm
Stopper, with 1 hole, 5 mm dia, Size of 4, 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: 20mm, Top 26mm, Length 25mm
Stopper, with 2 hole, 4 mm dia, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use with petroleum products, oils, inorganic acids, 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 7.5, 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: 31mm, Top 39mm, Length 25mm
Stopper, solid bottom, Size of 11, 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: 48mm, Top 56mm, Length 25mm
Stopper, solid bottom, Size of 5.5, 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: 24mm, Top 28mm, Length 25mm
Stopper, solid bottom, Colour: Blue, ASTM standards, 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: 8.2 mm, Top 12.7 mm, Len 25 mm
Stopper, with 1 hole, 5 mm dia, Size of 10, 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: 42mm, Top 50mm, Length 25mm
Stopper, with 2 hole, 5 mm dia, Size of 4, 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: 20mm, Top 26mm, Length 25mm
Stopper, with 1 hole, 5 mm dia, Size of 6.5, 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: 27mm, Top 34mm, Length 25mm
Stopper, solid bottom, Size of 8, 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: 33mm, Top 41mm, Length 25mm
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