<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p><span style="font-size:18px;">Specification</span><br><span style="font-size:18px;">Material: Butyl Rubber</span><br><span style="font-size:18px;">Color: Grey</span><br><span style="font-size:18px;">Outer Diameter: 12.5mm /0.49"(appr.)</span><br><span style="font-size:18px;">Inner Diameter: 7.2mm /0.28"(appr.)</span></p><p><span style="font-size:18px;">Features</span><br><span style="font-size:18px;">1: Provide bottle a tight seal with this snap-on stopper</span><br><span style="font-size:18px;">2:&nbsp; Material of durable butyl rubber, good heat stability.</span><br><span style="font-size:18px;">3:&nbsp; Rubber Bottle Stoppers Self Healing Injection Ports.</span><br><span style="font-size:18px;">4:&nbsp; Designed for a 13mm or 1/2 inch diameter hole opening.</span><br><span style="font-size:18px;">5:&nbsp; Widely used for liquid culture, BRF Jars, Supplemented substrate jars, Grain Masters.</span></p><p><span style="font-size:18px;">Package included</span><br><span style="font-size:18px;">100pcs X Injection Ports</span></p><p>&nbsp;</p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p>&nbsp;</p></div></div>