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Safe, Manual Control of Filling Or Discharging Toxic Liquids Through


Avoids the Problem of Closed System
Drip Tip

Stopper N019

Drip Tip


Screw Thread
Drip Tip

2 Sides Hose Connection & A Male Joint

Safe, Manual Control of Filling Or Discharging Toxic Liquids Through


Glass Jacket, Horizontal & Lateral Indentations

Small Size Socket at Top & Big Size at Bottom

Modified Bump Traps Provide Expanded Volume from Reaction that have
Prevents Contents of the Flask from Being Drawn Into Condenser

Perforation & Zip Lock
Free Dnase, Rnase, Human DNA, Pyrogen & PCR Inhibitor



Open Tubular Arm

Both End Flat

Excellent Re-Sealing Capability



Uniform Wall Thickness
Excellent Heat Transfer

Compression Cap & O-Ring

Drip Tip
Heat Resistant & Low Expansion

Pocket Fits Most Still Heads

Regular Stopper has Clear Incineration & Biodegradable Property

Provide A Simple Vapor Path Between Flask & Distillation Condensers
Drip Tip


Excellent Heat Transfer
Uniform Wall Thickness

Compression Cap & O-Ring

Small Size Socket at Top & Big Size at Bottom

Inner Bulb Section Provides Increased Cooling Surface







Pocket Fits Most Still Heads
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