Crafted from silicone, it maintains elasticity and resistance for long lasting, outperforming traditional rubber seals Perfect for daily use for home kitchens, coffee stations, or busy commercial cafes, it adapts seamlessly to high demands environments Engineered for E61 coffee machines, this silicone gasket ensures leakproof sealing and optimal coffee extraction by water leakage under high pressure brewing Ideal for home baristas and professional coffee shops, it assurances consistent brewing for espresso enthusiasts and commercial grade machines and clean, its smooth surfaces resists coffee oil buildup, ensuring maintenance and sealing for richer, aromatic espresso every time