stonylab Solid Rubber Stoppers with Dual-Hole, 5-Pack Air-Tight 7# Natural Rubber Stoppers Lab Seal for Chemical Experiments

Versatile Sealing: compliant for various applications requiring reliable sealing, the natural rubber stoppers offer dependable performance in diverse settings, Dual-Hole Design: tailored to accommodate unique configurations, the dual-hole design facilitates adaptable usage for your specific needs, Size 7#: 1.46 inch top length; 1.18 inch bottom length; 1.18 inch height; 0.28 inch hole diameter, Sturdy Construction: crafted from premium rubber material, these stoppers boast durability, corrosion resistance, and excellent tolerance to acidic and alkaline environments, ensuring a long service life, Warranty: stonylab ensures premium products and professional customer service; if received damaged, please contact us immediately; we will solve it until satisfied