Solid Tapered Rubber Laboratory Stoppers, Bungs, Plugs

Solid Tapered Rubber Laboratory Stoppers are available in multiple sizes (000–14) and three materials:

• Black – SBR/Neoprene/EPDM blend (standard stock)
• Translucent – Silicone (available by request)
• Green – Neoprene (available by request)

Also available in 1-hole and 2-hole styles; holes are approximately 5–6 mm in diameter.

This listing covers solid black stoppers currently in stock. For silicone, neoprene, or hole-style stoppers, please contact us. See our Sizing Chart for dimensions and minimum order quantities.

Contact us for bulk pricing.