Springfield Spring & Stamping manufacturers and distributes a full line of air filter holding frame clips to commercial and industrial air filter manufacturers, air filter distributors and HVAC contractors around the world. Filter Frame components include: P-clips, 12" extension springs with and without bracket, corner brackets, bag filter clips, wire forms and more! Springfield Spring builds long-term strategic relationships with all of our customers. We are committed to provide all of our filter frame clips with uncompromised quality, responsive service and a culture built on continuous improvement. One of our core capabilities is our ability to customize any of our clips for specific applications. Introducing Versa-M and Versa-P Pre filter clips.Springfield Spring