Description

USA Lab Straight or Bent Adapters GL-14, GL-18 & GL-25

The USA Lab Straight or Bent Adapters are versatile GL connection components designed for use with laboratory equipment including distillation heads, cold traps, chromatography columns, and other compatible glassware setups. Each kit includes a cap and barb along with either straight or bent adapters for flexible connection configurations.

Available in GL-14, GL-18, and GL-25 sizes, these adapters provide multiple connection options for laboratory workflows. The GL-14 size has a 7.5mm outside diameter, GL-18 has a 10mm outside diameter, and GL-25 has a 16mm outside diameter.

The GL-25 adapters are mainly used with USA Lab rotovap condensers, while the GL-14 and GL-18 sizes are suitable for a range of laboratory connection applications. Choose the appropriate GL size and straight or bent configuration for your equipment setup.

GL-14 GL-18 GL-25 Straight & Bent Adapters

Multiple GL Sizes: GL-14, GL-18, and GL-25 — provides connection options for different laboratory equipment configurations.

Straight or Bent: Choose the adapter configuration suited to your setup — supporting flexible routing and connection arrangements.

Complete Kit: Each kit includes a cap and barb with the selected adapter configuration — providing key connection components in one kit.

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 these USA Lab Straight or Bent Adapters?

Three GL connection sizes — available in GL-14, GL-18, and GL-25 to support different laboratory equipment requirements.
Defined outside diameters — GL-14 measures 7.5mm OD, GL-18 measures 10mm OD, and GL-25 measures 16mm OD.
Straight and bent configurations — allows users to select the adapter style that best fits their connection layout.
Cap and barb included — each kit includes a cap and barb along with the selected straight or bent adapter.
Broad laboratory compatibility — suitable for distillation heads, cold traps, chromatography columns, and other compatible laboratory equipment.

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Technical Specifications

Specification	Details
Product Name	USA Lab Straight or Bent Adapters GL-14, GL-18 & GL-25
Brand	USA Lab
Product Type	GL Connection Adapter Kit
Available Sizes	GL-14, GL-18, GL-25
GL-14 Outside Diameter	7.5mm OD
GL-18 Outside Diameter	10mm OD
GL-25 Outside Diameter	16mm OD
Adapter Configuration	Straight or Bent
Included Components	Cap and Barb with Straight or Bent Adapter
Connection Type	GL Connection
Distillation Head Use	Compatible laboratory application
Cold Trap Use	Compatible laboratory application
Chromatography Column Use	Compatible laboratory application
Rotovap Condenser Use	GL-25 mainly used for rotovap condensers
GL-14 Application	Laboratory connection applications
GL-18 Application	Laboratory connection applications
GL-25 Application	Rotovap condenser connections
Adapter Selection	Straight or Bent
Manufacturer	USA Lab

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FAQ

What sizes are available for the USA Lab Straight or Bent Adapters?

The USA Lab Straight or Bent Adapters are available in GL-14, GL-18, and GL-25 sizes. GL-14 has a 7.5mm outside diameter, GL-18 has a 10mm outside diameter, and GL-25 has a 16mm outside diameter.

What is included with the USA Lab Straight or Bent Adapter kits?

Each kit includes a cap and barb along with either a straight adapter or a bent adapter, depending on the selected configuration.

What laboratory equipment can use the USA Lab GL adapters?

These GL connection adapters can be used with compatible laboratory equipment including distillation heads, cold traps, chromatography columns, and other laboratory connection setups.

Which USA Lab GL adapter size is mainly used for rotovap condensers?

The GL-25 adapters are mainly used for USA Lab rotovap condensers. The GL-25 size has a 16mm outside diameter.

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

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.

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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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USA Lab Straight or Bent Adapters GL-14,GL-18 & GL-25

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