Check the listing for details. Lot of 10 Duro Dyne SRH288 #8013 3/8" Handle Regulators (Frame, Gasket, Nut) NIB. Condition: New. Listed at 39.99 USD. This lot of 10 Duro Dyne SRH288 #8013 3/8" Handle Regulators (Frame, Gasket, Nut) is perfect for anyone in the HVAC & Refrigeration industry. These regulators are brand new and come in the original packaging. They are a great addition to your toolkit and will help you get the job done quickly and efficiently. With the SRH288 model, you can be sure that you are getting a high-quality product that will last for years to come. Whether you are a seasoned professional or just starting out in the industry, these regulators are a must-have. They are easy to use and install, and will help you regulate the flow of air with precision and accuracy. Don't miss out on this opportunity to add these regulators to your collection. Order now and experience the difference that Duro Dyne products can make in your work.