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Support Ring Clamp
USA LabSUPPORT-RINGSale $10.00 - $12.00RetailMade with cast iron for durability. -
USA Lab MNPT to FNPT, BUSHING - 1/4", 3/8", 1/2", 3/4" & 1"
USA LabMNFN-Sale $5.00 - $10.00RetailThis MNPT x FNPT reducing bushing is engineered to connect a larger female NPT fitting to a smaller male NPT connection. Commonly used to transition between different pipe sizes, this compact... -
Hemispherical Reducer - Tri Clamp 4 to 3
USA LabHR-4TO3Sale $69.99RetailOur Hemispherical 4" to 3" Tri Clamp Reducer allows users to reduce without adding bulk. -
1.5" Tri-Clamp End Cap with FNPT - Various Sizes - 1/4",3/8",3/4", 1"
USA LabSale $15.00 - $25.00RetailOur USA Lab Tri-Clamp End Cap comes with various sizes of FNPT connection welded to the 1.5" Tri Clamp Fittings End Cap with a sanitary weld. -
USALOK 1/4", 3/8", 1/2" & 3/4" STAINLESS STEEL 316L SEAMLESS TUBING 1,2,4,6,8,10
USALOKCTB-Sale $10.00 - $100.00RetailIntroducing our 316L stainless steel seamless tubing, a reliable solution for a wide range of applications. Made from high-grade stainless steel, this tubing offers exceptional corrosion resistance...
Description
Steel rod, zinc-plated extension support ring chemistry. Rod diameter 5/16", overall length 12"
We ship all glassware products with additional care, but sometimes they arrive broken. If glassware arrives broken, please contact us within 3 days of receiving your product and we will either send you a brand new piece or send you a refund! Any glassware broken after delivery voids all warranties. Thank you for understanding!
For Technical Support, Questions, or Other Issues Please Email or Call Us!

Specifications
Model: |
SUPPORTRING |
MPN: |
Does Not Apply |
Brand: |
USA Lab |
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.
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.
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.
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.
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.
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.
Questions before you order?
Real people in Livonia, MI. Fast answers, Monday through Friday.
Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.