stonylab Silicone Stoppers, 5-Pack Standard 7# Natural Stoppers with 6 mm Aperture Single-Hole

Versatile Usage: exceptional for laboratory connections, brewing, transfer, storage, and more, these meticulously crafted single-hole silicone stoppers adapt to various applications seamlessly Size: 7#; 37 mm upper diameter; 30 mm lower diameter; 30 mm height; 6 mm hole diameter; each precisely tailored to fit diverse equipment requirements, ensuring a perfect fit every time Economical Packaging: each box contains 5 silicone stoppers, providing ample quantity for your needs, perfect for both professional and personal use Durable Construction: fashioned from top-tier silicone material, these stoppers boast unparalleled durability, corrosion resistance, and longevity, guaranteeing reliable performance in demanding environments Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied