600GPD Under Sink Reverse Osmosis System - Waterdrop D6
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The Waterdrop D6 is a 6-stage tankless under-sink reverse osmosis system delivering 600 gallons of purified water per day. Certified to NSF/ANSI 42, 53, 58 and 372, it reduces PFAS, lead, fluoride, arsenic, chlorine, nitrate, TDS and heavy metals through its RO membrane core. The space-saving tankless design eliminates the bulky storage tank and delivers fast water flow on demand. Smart filter life monitoring keeps maintenance on schedule. Replacement filters available: WD-D6RF.
- Filtration Stages
- Filter Technology
- Micron Rating
- Flow Rate
- Contaminants Removed
- NSF Certifications
- Lead Free
- Replacement Filter SKU
- Replacement Interval
Free shipping on orders over $50. Most orders ship within 1–2 business days directly from our authorized suppliers. You'll receive tracking information via email.
Need it faster? Contact us for expedited shipping options: 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.