Test Tube Caps

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Cork	Plastic
Stoppers

Our selection of plastic caps, corks and rubber stoppers are grouped by material and size. The test tubes that fit each cap correspond to the color coded label in the top right of each photo. Look for the same coded label on test tubes to insure a match. All orders are double checked for accuracy and matching accessories.

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16mm Hollow Top Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours	16mm Thumb Caps (Multi-Color) for Glass Test Tubes Usually Ships in 24 Hours	Universal Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours	17mm Hollow Top Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours

Hollow Top caps feature a flat bottom surface with a deep recessed top and provide an air-tight seal.	Thumb caps are designed for glass test tubes and are an easy-on, easy-off application to provide a tight seal.	Universal caps are capable of fitting three sizes of plastic test tubes. Insert one way to fit 12 & 13mm tubes, or flip it over to fit 16mm tubes.	Hollow Top caps feature a flat bottom surface with a deep recessed top and provide an air-tight seal.


Caps for Baby Soda Bottles - Blue Usually Ships in 24 Hours	Caps for Baby Soda Bottles - White Usually Ships in 24 Hours	16mm Hollow Bottom Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours	16 / 16.5mm Natural Flange Caps for Plastic Test Tubes Usually Ships in 24 Hours

These caps are found on common soda bottles and are for use with our "Baby-Soda Bottle" tubes.	These caps are found on common soda bottles and are for use with our "Baby-Soda Bottle" tubes.	Hollow bottom caps feature a smooth, flat top surface with an open bottom.	Flange caps have dual flange rings to offer a tight, leak-proof seal.


17mm Two-Position Caps - Natural for Plastic Test Tubes Usually Ships in 24 Hours	13mm Hollow Top Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours	12mm Hollow Top Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours	12mm / 13mm Flange Caps (Multi-Color) for Plastic Test Tubes Usually Ships in 24 Hours

Two-Position caps allow the user to choose if they want air to move freely through the sample, or a firm, air-tight seal.	Hollow Top caps feature a flat bottom surface with a deep recessed top and provide an air-tight seal.	Hollow Top caps feature a flat bottom surface with a deep recessed top and provide an air-tight seal.	Flange caps have dual flange rings to offer a tight, leak-proof seal.


10mm Thumb Caps (Multi-Color) for Glass Test Tubes Usually Ships in 24 Hours	13mm Thumb Caps (Multi-Color) for Glass Test Tubes Usually Ships in 24 Hours	12mm Thumb Caps (Multi-Color) for Glass Test Tubes Usually Ships in 24 Hours	12mm Two-Position Caps - Natural for Plastic Test Tubes Usually Ships in 24 Hours

Thumb caps are designed for glass test tubes and are an easy-on, easy-off application to provide a tight seal.	Thumb caps are designed for glass test tubes and are an easy-on, easy-off application to provide a tight seal.	Thumb caps are designed for glass test tubes and are an easy-on, easy-off application to provide a tight seal.	Two-Position caps allow the user to choose if they want air to move freely through the sample, or a firm, air-tight seal.


Rubber Stoppers (Size 4) Usually Ships in 24 Hours	Rubber Stoppers (Size 3) Usually Ships in 24 Hours	Rubber Stoppers (Size 2) Usually Ships in 24 Hours	Rubber Stoppers (Size 1) Usually Ships in 24 Hours

Rubber stoppers are highly durable and provide a tight, leak-proof seal.	Rubber stoppers are highly durable and provide a tight, leak-proof seal.	Rubber stoppers are highly durable and provide a tight, leak-proof seal.	Rubber stoppers are highly durable and provide a tight, leak-proof seal.


Rubber Stoppers (Size 0) Usually Ships in 24 Hours	Rubber Stoppers (Size 00) Usually Ships in 24 Hours	Rubber Stoppers (Size 000) Usually Ships in 24 Hours	Cork Stoppers (Size 11) Usually Ships in 24 Hours

Rubber stoppers are highly durable and provide a tight, leak-proof seal.	Rubber stoppers are highly durable and provide a tight, leak-proof seal.	Rubber stoppers are highly durable and provide a tight, leak-proof seal.	The elasticity of natural cork tissue is capable of providing a tight seal.


Cork Stoppers (Size 7) Usually Ships in 24 Hours	Cork Stoppers (Size 6) Usually Ships in 24 Hours	Cork Stoppers (Size 5) Usually Ships in 24 Hours	Cork Stoppers (Size 3) Usually Ships in 24 Hours

The elasticity of natural cork tissue is capable of providing a tight seal.	The elasticity of natural cork tissue is capable of providing a tight seal.	The elasticity of natural cork tissue is capable of providing a tight seal.	The elasticity of natural cork tissue is capable of providing a tight seal.


Cork Stoppers (Size 2) Usually Ships in 24 Hours	Cork Stoppers (Size 0) Usually Ships in 24 Hours

The elasticity of natural cork tissue is capable of providing a tight seal.	The elasticity of natural cork tissue is capable of providing a tight seal.

Lake Charles Manufacturing products are held to the highest tolerances and most strict quality control standards. We expect the same quality results from the suppliers of products we do not manufacture in our facility. A mission of quality and value is our constant goal. All products available from Lake Charles Manufacturing are backed with full warranties for your complete protection.