+1.818.357.5647Live US Agents 8AM - 9PM EST

90 Day Guarantee | Engraving Available | Free Parts for Life and Lifetime Warranty


Free-Parts-for-Life Program


Yes, really – free parts forever! Whether you need an extra pair of eartips or replacement diaphragms, we have you covered!

If you are experiencing issues with your tubing, headset, or chestpiece, please email customer service describing the nature of the issue at: customer.service@mdfinstruments.com. All inquiries for parts other than eartips, diaphragms, non-chill rings, retaining rings, and ID tags will not be honored in the Free-Parts-for-Life Request Form. Read about our warranties here


How Do I Request Free Parts?

You must first register your product! Register here. After registering, please find your model here and complete the following form.  Note: we will not process requests from unregistered customers. For international requests please email your query directly at: customer.service@mdfinstruments.com