33-5056 is a high-performance washable air filter that is compatible with various mid-to-large SUVs and crossover vehicles under the General Motors brand. It features a multi-layer oil-based cotton medium, offering both high intake efficiency and a filtration accuracy of over 99%. It can be repeatedly cleaned, enhancing power output while reducing long-term vehicle maintenance costs. It is compatible with multiple models of brands such as Buick, Cadillac, Chevrolet, and GMC.