1/4-28 Shut-Off Valve

Darwin Microfluidics being based in France, ships orders under Delivered At Place (DAP) incoterms. This means that for customers outside the European Union (EU), you are responsible for any applicable customs fees, duties, and taxes in addition to the shipping costs. These charges are determined by your local customs authority and must be paid by you upon the arrival of the shipment in your country.

We recommend contacting your local customs office for detailed information on these charges if you're ordering from outside the EU, as they can vary depending on the destination and the value of your order. Please note that these additional costs are not included in the shipping fees charged by Darwin Microfluidics.

If you've received your order from Darwin Microfluidics and found that a product is defective or missing, please follow these steps to resolve the issue:

Report immediately: Contact our customer service team as soon as possible. Reporting the issue promptly helps us address your concern more efficiently.

Provide details: When you contact us, please provide your order number, the name the order was placed under, and a detailed description of the issue. For defective products, include clear photos or a video that shows the defect.

Review: Our team will review your claim to determine the best course of action. We may ask for additional information or details about the problem.

Resolution: Depending on the situation, we may send a replacement for the defective or missing item, provide a refund, or offer another satisfactory resolution. Our goal is to ensure you are completely satisfied with your purchase.

Follow-up: We will keep you updated throughout the process and confirm when the issue has been resolved to your satisfaction.

We apologize for any inconvenience caused by a defective or missing item and are committed to resolving your issue as quickly and smoothly as possible.

At Darwin Microfluidics, our goal is to offer the most competitive prices directly as our list price, ensuring that all our customers receive great value without needing to navigate complex discount structures. Here’s a detailed look at our discount policy:

Competitive list prices: We work hard to ensure our list prices are among the most competitive in the market. This approach allows us to offer fair pricing to all our customers from the start, eliminating the need for frequent discounts.

Quantity-based discounts: For certain products, we offer quantity-based discounts directly on the product pages. These discounts are automatically applied based on the quantity of the product you purchase, providing savings for bulk purchases without the need for special codes or negotiations.

Bulk orders: While we strive to offer the best prices upfront, we understand that customers making large-scale purchases may have special considerations. In such cases, we invite you to discuss your needs with our sales team. Depending on the size and nature of your order, we may be able to offer tailored discounts or pricing adjustments.

We believe in transparency and simplicity in pricing, allowing you to make your purchases with confidence, knowing you're receiving a fair deal without the hassle of negotiating discounts. If you have any questions about pricing or discounts for bulk orders, please don't hesitate to reach out to our sales team for personalized assistance.

Please follow our returns & refund page.