The DeVilbiss SP-100-507-K Air Cap 507 with Retain Ring is a specific component designed for air compressors or blowers. Made by DeVilbiss in the United Kingdom, this air cap is compatible with the model 507. The inclusion of the retain ring ensures a secure fit and proper functioning of the air cap during operation. This product is ideal for those in need of replacement parts or looking to maintain their air compressor equipment effectively.