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Products > Stoppers & Airlocks
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 2 inches; Bottom diameter: 1-11/16 inches.
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 2-1/4 inches; Bottom diameter: 1-15/16 inches.
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 2-1/2 inches; Bottom diameter: 2 inches.
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 2-9/16 inches; Bottom diameter: 2-1/8 inches.
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 2-11/16 inches; Bottom diameter: 2-5/16 inches.
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 3/4 inch; Bottom diameter: 5/8 inch.
Laboratory-grade rubber stopper, drilled to accept airlock. Top diameter: 1-1/8 inches; Bottom diameter: 1 inch.