800 GPD Tankless Reverse Osmosis System - Waterdrop G3P800
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The Waterdrop G3P800 is a 10-stage tankless reverse osmosis system rated at 800 GPD — fast enough to fill a cup in about 6 seconds and keep a busy kitchen supplied all day. The tankless chassis frees up cabinet space and eliminates tank stagnation.
PP cotton and carbon-block pre-filtration protect a 0.0001-micron RO membrane that reduces PFAS, fluoride, lead, chromium, arsenic, iron, nitrates, chlorine, and chloramine, with post-carbon polishing for taste. An LED-equipped smart faucet reports live water quality.
Filter changes are front-access twist-outs — no tools, no disconnecting the unit.
- 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.