Description

USA Lab Extension Support Ring - 2.5", 3", 4" Diameter

The USA Lab Extension Support Ring is designed to provide support for compatible laboratory glassware and related equipment. It features a steel rod construction with a zinc-plated finish for a durable support component.

The support rod has a 5/16" diameter and an overall length of 12". The extension support ring is available for 2.5", 3", and 4" diameter configurations, providing options for compatible laboratory setups.

Designed for laboratory use, this extension support ring provides a practical support solution for compatible equipment and glassware assemblies. Please verify the required diameter and compatibility before ordering.

Steel Rod Construction Zinc-Plated Finish 5/16" Rod Diameter 12" Overall Length

Steel Rod: 5/16" diameter steel rod provides a dedicated support structure for compatible laboratory equipment.

Zinc-Plated Finish: Provides a zinc-plated surface on the steel support rod.

Multiple Diameters: Available for 2.5", 3", and 4" diameter configurations.

Why buy from USA Lab

Expert Support
Engineers & technicians on staff.

Quality First
Tested and trusted products.

Fast Fulfillment
Nationwide 1-2 day shipping.

Warranty & Parts
US-based service & spares.

Why this Extension Support Ring?

Steel rod construction provides a dedicated support component for compatible laboratory setups.
Zinc-plated finish provides the specified finish on the steel support rod.
5/16" rod diameter provides a defined support rod size for compatible assemblies.
12" overall length provides the specified extension length for laboratory support applications.
Multiple diameter options are available for 2.5", 3", and 4" diameter configurations.

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Technical Specifications

Specification	Details
Product Name	USA Lab Extension Support Ring
Product Type	Extension Support Ring
Application	Laboratory Equipment and Glassware Support
Rod Material	Steel
Rod Finish	Zinc-Plated
Rod Diameter	5/16"
Overall Length	12"
Supported Diameter	2.5", 3", and 4"
Diameter Option 1	2.5"
Diameter Option 2	3"
Diameter Option 3	4"
Support Component	Extension Support Ring
Construction	Steel Rod Support Construction
Finish Type	Zinc-Plated Finish
Support Configuration	Extension Support
Rod Configuration	5/16" Diameter x 12" Overall Length
Equipment Use	Compatible Laboratory Equipment
Glassware Use	Compatible Laboratory Glassware
Product Configuration	Extension Support Ring with Steel Zinc-Plated Rod

Popular Industries & Use Cases

Laboratory Research Pharmaceutical Research Chemical Sciences Academic Research

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Custom Solutions

Tailored equipment and integration help.

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FAQ

What diameter options are available for the USA Lab Extension Support Ring?

The USA Lab Extension Support Ring is available for 2.5", 3", and 4" diameter configurations.

What are the rod dimensions of the USA Lab Extension Support Ring?

The support rod has a 5/16" diameter and an overall length of 12".

What material and finish does the USA Lab Extension Support Ring use?

The support rod is made from steel and features a zinc-plated finish.

What is the USA Lab Extension Support Ring used for?

The extension support ring is designed to provide support for compatible laboratory glassware and equipment assemblies. Please verify diameter and compatibility before ordering.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

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Specifications

Model:	SUPPORTRING
MPN:	Does Not Apply
Brand:	USA Lab
Warranty Term:	1 Year
Return Window:	30 Days
Lead Time:	1-3 Days

Shipping & Returns

1–3 Business Days Standard Processing

Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

Shipping

Orders ship within 1–3 business days after payment clears. We ship Monday through Friday via UPS, USPS, and freight carriers.
Freight items (crated, hazmat, dropship, or special packaging) can take 1–5 business days to ship.
Expedited shipping speeds up transit, not processing. Contact us for true rush orders.
PO Box addresses ship USPS. Alcohols, chemicals, and hazmat cannot ship to a PO Box.

Full Shipping Policy

Delivery & Damage Claims

Inspect every shipment on arrival. Claims must be filed within 3 business days.
Visible damage? Refuse the delivery and have the driver document it. We will file the claim and ship a replacement.
Concealed damage: contact us within 2 days with photos of the packaging and item. Keep all packing materials.
Freight services (liftgate, residential, inside delivery) are the customer's responsibility to select for their location.

Damage & Freight Details

Returns

USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
Solvents, chemicals, and consumables are not returnable once shipped. Custom and made-to-order items are final sale.
Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
Items showing any signs of use, wear, contamination, or modification are not eligible for return.
Glassware damage must be reported within 3 business days of delivery for replacement or refund.

Full Return Policy

Custom & Made-to-Order Items

Customized and made-to-order products are final sale and not eligible for return under any circumstances.
This includes ductless fume hoods, configured tanks and reactors, and any item built to your specifications.
These products are manufactured specifically for your application. Confirm sizing, voltage, and configuration with our team before ordering.
Damage claim coverage still applies. Inspect on arrival and report issues within 3 business days.

Return Eligibility Details

Warranty

USA Lab products are covered against manufacturing defects for up to 3 years, depending on product line.
1 year: chillers, heaters, rotovaps, reactors, vacuum ovens, mixers, and most equipment. 2 years: UVP vacuum pumps. 3 years: scientific freeze dryers.
Wear items (glassware, gaskets, heating elements, sensors) and fittings/steel are not covered. Report defects within 30 days (3 days for glass).
Non–USA Lab brands are covered by their manufacturer's warranty. See the product's Warranty tab.

Full Warranty Policy

International Orders

Import duties, taxes, VAT, and brokerage fees are not collected by USA Lab and are the receiver's responsibility.
Verify your country's customs charges and import restrictions before ordering.
Refused or unclaimed international shipments are refunded minus shipping and a 15% restocking fee.
International orders are generally non-returnable. Damaged items must be reported within 3 business days.

International Guidelines

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Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.

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2.5", 3", 4" Diameter Extension Support Ring

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