Bung in gomma da 12,5 * 8 mm a 145 * 160 mm solido per tappi tubo di prova/tappo bottiglia
160mm x 145mm x 60mm. 12.5mm x 8mm x 17mm. Function: Used to block glass openings, pipe openings, fish tank openings, wall openings, sewer openings, chemical test tubes, and other sealing devices. Material: Rubber.