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Showing 17–32 of 35 results
One, black # 12 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 12 Diameter Top: 2.50  63.5 mm Diameter Bottom: 2.13  54.0 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
One, black # 13 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 13 Diameter Top: 2.69  68.2 mm Diameter Bottom: 2.28  57.9 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
One, black # 13.5 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 13.5 Diameter Top: 2.97  75.4 mm Diameter Bottom: 2.44  61.9 mm Height: 1.40  35.5 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
One, black # 14 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 14 Diameter Top: 3.50 88.9 mm Diameter Bottom: 3.00  76.2 mm Height: 1.50  38.1 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
One, black # 15 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 15 Diameter Top: 4.00  101.6 mm Diameter Bottom: 3.25  82.6 mm Height: 1.50  38.1 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
One, black # 16 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 16 Diameter Top: 5.00  127.0 mm Diameter Bottom: 3.50  88.9 mm Height: 2.00  50.8 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
Five, black # 2 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 2 Diameter Top: 0.78  19.8 mm Diameter Bottom: 0.63  15.9 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
Four, black # 3 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 3 Diameter Top: 0.94  23.8 mm Diameter Bottom: 0.72  18.2 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
Four, black # 4 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 4 Diameter Top: 1.00  25.4 mm Diameter Bottom: 0.75  19.0 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To…
Three, black # 5 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 5 Diameter Top: 1.06  26.9 mm Diameter Bottom: 0.91  23.0 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
Three, black # 5.5 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 5.5 Diameter Top: 1.11  28.2 mm Diameter Bottom: 0.97  24.6 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
Three, black # 6 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 6 Diameter Top: 1.25  32.0 mm Diameter Bottom: 1.03  26.2 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
Two, black # 6.5 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 6.5 Diameter Top: 1.34  34.0 mm Diameter Bottom: 1.06  27.0 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
Two, black # 7 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 7 Diameter Top: 1.44  36.5 mm Diameter Bottom: 1.19  30.2 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
Two, black # 7.5 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 7.5 Diameter Top: 1.50  38.1 mm Diameter Bottom: 1.13  28.6 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
One, black # 8 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top. Specifications:    Size # 8 Diameter Top: 1.63  41.3 mm Diameter Bottom: 1.31  33.2 mm Height: 1.00  25.4 mm Durometer: 43 + – 5 Free Sulfur: 0.05% To review…
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