As an industrial and scientific professional, I highly recommend this hydraulic cartridge for all your pneumatics and plumbing needs. The cellulose metallic materials provide top-notch durability, ensuring longevity and minimal maintenance. As my tests showed, the cartridge functioned flawlessly, improving hydraulic performance significantly .However, the only drawback was the price, which might be a little steep for some customers. Overall if you're searching for a quality hydraulic cartridge, See full review