All-in-One Portable Vacuum Coffee Maker for On-The-Go ✔️ Hand-powered vacuum brewer with a 10 oz insulated mug All-in-One nomadic coffee maker brews directly into the attached insulated stainless mug. It's ideal for commutes, camping, and quick office brews, using vacuum pressure to pull hot water through grounds in about two minutes. The reusable 250 μm micro-filter reduces waste by eliminating disposable paper filters. Color: Sage Gray. ✅ All-in-one design brews and serves in a single device ✅ Vacuum pressure brew draws water through grounds in about two minutes ✅ Reusable 250μm micro-filter eliminates disposable waste ✅ 10 oz insulated stainless steel mug keeps coffee hot for hours ✅ Brew ratio around 1:15; medium to medium-fine grind recommended 💡 What is a handy hand-powered vacuum coffee maker used for in daily life? It's designed for quick, portable brews when you’re away from power outlets. - Handy for commuting, camping, or office trips - Uses vacuum pressure to pull hot water through coffee grounds quickly - Keeps coffee hot in a double-wall insulated mug and reduces waste with a reusable filter