Made of borosilicate glass. Require minimal probe volumes. Tubes have heavy walls, reference graduations and are straight sided with no hold-up at thread. Supplied with threaded, leakproof screw cap. Additional caps and O-rings can be purchased separately.
Screw Cap Only
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Lab Supplies Caps & Closures Unlined Caps - LG-3310-108 - Blue Polypropylene Gl45 Screw Cap
100% Satisfaction Guarantee: At Mansion Labs, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Labs in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.