Perfect brew Dual micro-filters trap sediment and grounds at the bottom of the brewer to stop over brewing, guaranteeing the perfect brew, every time. Leak-proof Vacuum-insulated, and ultralight the ESPRO travel press is leak-proof with a double layer seal. Grit-free With micro-filters like no other, and a double filtration system, it's guaranteed to create your smoothest coffee yet. Mornings just got a bit more glorious.