sourcing map Rubber Tapered Plug 45mm to 56mm with 8mm Hole Test Tubes Bungs Stopper White for Lab Home 4 Pieces

What is this?
The Rubber Tapered Plug is great for laboratory utensils such as flasks, test tubes, or other laboratory applications, also can as a sewer plug, water pipe plug, or drain plug.

What will I get?
The tapered plug is in size of: Bottom Diameter: 45mm / 1.77 inch; Top Diameter: 56mm / 2.2 inch; Height: 35mm / 1.38 inch; Fit Hole Size: 48-54mm; In the pa...