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Visit WelchLab for a comprehensive collection of laboratory consumables, including glassware, plasticware, and more!

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8228 products
20mm Open Top Bi-Metallic Crimp Cap(8mm hole) Blue & Silver with 20mm Natural PTFE/White Silicone Septa 3.0mm Thick. 100pcs/pk.
$41.73 USD
$41.73 USD
20mm Open Top Gold Magnetic Crimp Cap (10mm hole) with 20mm Natural PTFE/White Silicone Septa 3mm Thick. 100pcs/pk.
Free
22-400 Black Closed PP Top Cap, with Natural PTFE/White Silicone Septa 2.0mm Thick. 24 pcs/pk
$8.55 USD
$8.55 USD
22-400 Black Closed PP Top Cap, with White PE Septa 1.0mm Thick. 24 pcs/pk
$3.74 USD
$3.74 USD
24-400 Black Closed PP Top Cap, with Natural PTFE/White Silicone Septa 1.5mm Thick. 100pcs/pk
$36.17 USD
$36.17 USD
24-400 Black Closed PP Top Cap, with White PE Septa 1.0mm Thick. 100pcs/pk
$13.91 USD
$13.91 USD
24-400 Black Open Top PP Screw Cap with 22mm Natural PTFE/Natural Silicone Septa 3mm Thick. 100pcs/pk.
$41.73 USD
$41.73 USD
24-400 White Closed PP Top Cap, with Natural PTFE/White Silicone Septa 1.5mm Thick. 100pcs/pk
$36.17 USD
$36.17 USD
24-400 White Closed PP Top Cap, with White PE Septa 1.0mm Thick. 100pcs/pk
$13.91 USD
$13.91 USD
24-400 White Open PP Top Cap, with 22mm Natural PTFE/Natural Silicone Septa 3.0mm Thick. 100pcs/pk
$41.73 USD
$41.73 USD
24-400 White Open PP Top Cap, with 22mm Natural PTFE/White Silicone Septa 3.0mm Thick. 100pcs/pk
$41.73 USD
$41.73 USD
250mL 24-400 Boston Round Amber Glass Bottle 61.6×140.8mm, 30 pcs/pk.
$40.90 USD
$40.90 USD
250mL GL45 Clear Laboratory Glass Tubing Bottle 3.3 Borosilicate. Blue PP Closed Screw Cap. 1 set/pk.
$13.00 USD
$13.00 USD
Crafted from high borosilicate glass (3.3), compliant with USP EP Type I glass specifications. Chemical and heat-resistant bottle, available in various sizes. Withstands temperatures from -150°C t...
250mL Wide Mouth Amber Glass bottle 64×119mm 45-400. 24 pcs/pk.
$50.75 USD
$50.75 USD
28-400 Black Closed PP Top Cap, with Natural PTFE/White Silicone Septa 1.5mm Thick. 12 pcs/pk
$8.01 USD
$8.01 USD
28-400 Black Closed PP Top Cap, with White PE Septa 1.0mm Thick. 12 pcs/pk
$3.81 USD
$3.81 USD
2mL 11mm Crimp Top Clear Vial Bottom with Integrated 0.2ml Glass Micro-insert. 100pcs/pk.
$80.69 USD
$80.69 USD
2mL 11mm Snap Top Clear Vial Bottom with Integrated 0.2ml Glass Micro-insert. 100pcs/pk.
$80.69 USD
$80.69 USD
2mL 12×32mm Amber 9-425 Screw Thread Vial Bottom with Integrated 0.2 ml Glass Micro-insert no Label. 100pcs/pk.
$80.69 USD
$80.69 USD
2mL 12×32mm Clear 9-425 Screw Thread Vial Bottom with Integrated 0.2 ml Glass Micro-insert no Label. 100pcs/pk.
$80.69 USD
$80.69 USD
2mL 12×32mm Transparent PP 9-425 Screw Thread Vial with Integrated 0.3 mL Micro-insert. 100pcs/pk.
$12.24 USD
$12.24 USD
2mL Amber Glass 12×32mm 9-425 Screw Thread Sample Vial . 100 pcs/pk.
$8.35 USD
$8.35 USD
2mL Amber Glass 12×32mm Flat Base 8-425 Screw Thread Vial with Label. 100pcs/pk.
$20.59 USD
$20.59 USD
2mL Amber Glass 12×32mm Flat Base 8-425 Screw Thread Vial. 100pcs/pk.
$17.25 USD
$17.25 USD