類別：The Lowdown on Portafilters

What's a pressurized portafilter? How about a non-pressurized? Is one better than the other? Can any portafilter be used in a machine if it's the right diameter? Gail answers all this and more in this primer on one of the most essential tools in the game.

*本係列已全部獲SeattleCoffeeGear同意在coffeecenter播放*