Waterdrop G3P800 Reverse Osmosis System, 800 GPD Fast Flow, NSF/ANSI 42 & 53 & 58 & 372 Certified, 3:1 Pure to Drain, Tankless Under Sink RO Water Filter System, LED Purifier, Smart Faucet

Customers find the reverse osmosis system to be an awesome unit that's easy to install and produces delicious-tasting water. The performance is excellent, with one customer noting it works well with refrigerator ice and water, and they appreciate the water quality, with one describing it as the purest water modern filtration has to offer. While some customers consider it well worth the purchase, others find it very expensive, and reliability is a concern as units malfunction multiple times. The noise level receives mixed feedback, with some saying it's not noisy while others find it noisy.