Waterdrop X Series Reverse Osmosis System, X8

The Waterdrop X8 is a 9-stage tankless under-sink reverse osmosis system producing 800 gallons of purified water per day. Certified to NSF/ANSI 42, 53, 58 and 372, the X8 reduces PFAS, lead, fluoride, arsenic, chlorine, nitrate, TDS and heavy metals through its precision RO membrane. The space-efficient tankless design and smart faucet with real-time TDS monitoring make it one of the most capable under-sink RO systems available for residential use. Compatible replacement filters: WD-X8-F3 and WD-F1G.

Shipping rates are calculated at checkout based on weight and destination. Most orders ship within 1-3 business days directly from the manufacturer's warehouse; ground delivery typically takes 3-8 business days.

See our Shipping Policy for full rate and delivery details. Questions? Contact contact@reinwaterusa.com.

All under-sink water filtration systems sold by Rein Water USA include manufacturer warranty. Crystal Quest systems carry a limited warranty — see product listing for terms. Brondell systems include a 1-year limited warranty on parts and labor, excluding consumable filters.

To make a warranty claim, contact contact@reinwaterusa.com with your order number and proof of purchase.