The Waterdrop TST-UF is a 0.01μm ultra-filtration under sink water filter made of durable 304 stainless steel, designed to directly connect to your kitchen faucet. With 6 layers of filtration materials, it effectively removes 99.99% of contaminants larger than 0.01μm, including chlorine, heavy metals, and odors, while retaining beneficial minerals like calcium and magnesium. Delivering a fast 1.59 GPM flow rate, it fills an 8 oz cup in just 2.3 seconds, making it perfect for cooking, coffee, and baby formula. The system features long-lasting filters with up to 24 months of service life, versatile installation options, and eco-friendly design that reduces plastic waste. Stylish, sturdy, and easy to install, it provides cleaner, fresher water without reducing TDS.