Each set includes 100 food grade silicone seals and cleaning brushes, designed for precise fitment across components Premium silicone rings withstand 200°C heat for leakproof sealing in coffee machines, suitable for brewing units, valves, and valves To simplify part identification while meeting strict food standards for frees coffee preparation Ideal for home baristas, cafés technicians, and enthusiasts maintaining machines to ensures optimal coffee extraction and machine longevity Perfect for daily espresso brewing in kitchens, commercial coffee shops, or environments requiring valves and grouphead sealing solution