Explore our Seal Kits, essential accessories for Series HS Carbon Steel Screw-to-Connect Couplings with Poppet Valve. Designed to enhance the performance and longevity of your STAUFF Quick Release Couplings, these kits include all necessary seals to ensure a secure and leak-free connection. Ideal for maintaining and repairing your carbon steel couplings, our Seal Kits are a must-have for professionals seeking reliable and efficient coupling solutions.