Prime Big Deal Days mean big discounts on Waterdrop Filter systems

Published Oct 6, 2026, 9:15 AM EDT The below articles are sponsored by one of our partners. Product choices and opinions expressed are from the sponsor and do not reflect the views of the XDA editorial staff. Fall routines and cozier days are coming our way, and they’re full of hot morning tea, meal prep for busy evenings, and holiday hosting. Adding a reverse osmosis water filter to your household is a great way to make healthier hydration part of these tasks. Whether you’re washing a big batch of broccoli for the Thanksgiving casserole, adding water to the coffee maker, or filling the kids’ water bottles before school, using cleaner, better-tasting water is a smart upgrade the entire family will appreciate. Waterdrop Filter has a range of options to suit every household, and for Prime Big Deal Days (October 6 to 7), they’re all on sale. These time-limited offers cover the flagship X12 Reverse Osmosis System down to the portable countertop models and refrigerator filters. All you need to decide is which features matter most to you. Why filtered water matters If you’re unhappy with your tap water and concerned about family health, you’re not alone. For many households, tap water is entirely dependent on the community water supply, leaving its taste, smell, mineral content, and contaminants at the mercy of the local water source and distribution system. Switching to bottled water is not a practical or long-term solution. But adding an under-sink reverse osmosis system, a countertop water filtration system, or better refrigerator filters? That’s the home upgrade that will have you consuming healthier water daily. Which Waterdrop Filter is right for you? Credit: Waterdrop Filter When considering which Waterdrop Filter is best for you, you’ll want to focus on three main questions. Am I looking for something permanent or portable? What is my desired level of filtration? How often will the people in my household be using our filtered water? For some households, a fridge filter might check all the boxes. Larger families and people who cook and host often may want a dedicated, under-sink reverse osmosis system. And renters might prefer a portable countertop option. Waterdrop Filter X12: The flagship RO system Waterdrop Filter X12 Filtration Type Reverse Osmosis Filtration stages 11 Flow speed 1200 GPD Instant hot water No The Waterdrop X12 RO under-sink system delivers convenience and quality with dual-flow filtration, providing five-stage filtered water from your main faucet and 11-stage mineral-fortified drinking water from its dedicated RO faucet. With rapid 1200GPD flow and a sustainable 3:1 water ratio, it’s designed to keep up with busy families while minimizing waste. It’s estimated that large households of five to six people consume up to six gallons of water per day. When you’re using water for hot drinks, baby formula, kids’ water bottles, washing produce, and more, it adds up pretty quickly. The flagship Waterdrop X12 Alkaline Mineral Reverse Osmosis System was designed as a long-term kitchen upgrade for busy, high-demand households. The X12 features Waterdrop Filter’s most comprehensive RO system, with 11-stage filtration, alkaline mineralization that adds beneficial minerals back into your water, and LED light treatment for enhanced water safety. Credit: Waterdrop Filter The X12 RO system delivers a fast, 1200 GPD flow rate that can fill a glass in 4.5 seconds, a water pitcher in 18 seconds, and a 64 oz pot in 36 seconds. The smart, digital countertop faucet monitors your filter life and gives you preset filling options. The X12’s slim, tankless design can be easily installed under your sink, with the smart faucet requiring only a 1.5-inch drilled hole in your countertop. The Waterdrop X12 Alkaline Mineral RO System drops from $1,299 to $899 (31% off). You can save an additional 5% with the code XDADEALPF26. Waterdrop Filter G3P800 RO System: For health-conscious families Waterdrop Filter G3P800 Under-Sink RO System Flow Rate 800 GPD Filtration Type Reverse Osmosis Filtration stages 10 The Waterdrop Filter G3P800 is another formidable under-sink option. It offers 10-stage reverse osmosis to reduce everything from heavy metals to fluoride. It'll even accommodate lots of usage, with a 800 GPS flow rate. Busy, health-focused families who want a reliable, permanent RO water filtration system are a great match for the Waterdrop Filter G3P800 Under-Sink RO System. The G3P800’s 10-stage RO filtration system is lab-tested and proven to reduce PFAS, fluoride, heavy metals, and large particles. It is designed for high-capacity daily use and has an 800 GPD flow rate that can fill a glass in just five seconds. Credit: Waterdrop Filter The tankless, space-saving design makes it a simple addition to your kitchen that delivers long-term benefits. The G3P800 RO System is reduced from $999 to $699 (30% off). You can save an additional 5% with the code XDADEALPF26. Waterdrop M6CG Mineral Hot and Cold RO System: Countertop convenience Waterdrop Filter M6CG countertop RO filtration system Temperature Range 59°F up to 203°F Filtration Type Reverse Osmosis Filtration stages 8 Instant hot water Yes Waterdrops Filter's M6CG is an easy countertop reverse osmosis option, offering mineralized hot and cold water and eight-stage filtration. New for 2026, the Waterdrop Filter M6CG is a premium countertop RO filtration system that delivers better-tasting, mineralized hot and cold water without installation. The eight-stage RO filtration system reduces PFAS, fluoride, heavy metals, and other undesirable chemicals while adding back minerals such as calcium and magnesium to support your immune system and everyday health. Credit: Waterdrop Filter The M6CG delivers instant hot and cold water from 59°F up to 203°F, with the option to preset your preferred and most-used temperatures and volumes via the Favorite Mode. That means instant hot water without waiting for a kettle to boil. The detachable 40 oz glass pitcher makes it easy for refills, whether it’s topping up your guests or refilling your dog’s water dish. The M6CG Mineral Hot and Cold RO System is on sale for $409, reduced from $539 (24% off). You can save an additional 5% with the code XDADEALPF26. Waterdrop CT01 Instant Hot and Cold Water Filter Dispenser: Portable and fast Waterdrop Filter CT01 instant hot and cold water countertop system Temp Range 59°F up to 203°F Filtration stages 6 Instant hot water Yes The Waterdrop Filter CT01 is a convenient countertop water filtration system designed for apartments, dorms, offices, and other spaces where installation isn’t practical. Its six-stage filtration system delivers cleaner-tasting hot and cold water with one-touch temperature presets, customizable settings, and a high-capacity 1.32-gallon tank. If you’re making your way into water filtration, the Waterdrop Filter CT01 instant hot and cold water countertop system is an excellent entry point for apartment dwellers, students, newlyweds, and office users. The CT01 provides a six-stage filtration system that helps reduce chlorine, rust, sediment, and other impurities, giving you cleaner, better-tasting and -smelling drinking water. The system features five one-touch preset water temperatures – hot, coffee, tea, baby formula, and cold – and adjustable temperatures from 59°F up to 203°F. You can save your most-used temperatures and volumes with the Favorite Mode, so your preferred drinks are a tap away. As soon as you walk through the door, you can enjoy clean hot drinks, oatmeal, or instant meals without waiting for water to boil. Credit: Waterdrop Filter The high-capacity countertop system holds 1.32 gallons in its slim side tank, making refills easy and infrequent. Even busy families can get 28 glasses of water per day on a single tank fill. The CT01 Instant Hot and Cold Water Filter Dispenser is just $199.49, reduced from $289.99 (31% off). You can save an additional 5% with the code XDADEALPF26. Waterdrop Refrigerator Filters Waterdrop Refrigerator Filters Capacity 316 gallons Instant hot water No Waterdrop Refrigerator Filters offer an easy-to-replace alternative to original-brand refrigerator filters from major brands like LG, Whirlpool, GE, and Samsung. Designed to reduce chlorine, rust, sediment, and other impurities, these filters last six to nine months and can process up to 316 gallons, depending on the model. Your refrigerator may have come with branded filters, but not every filter is created equal. Waterdrop Refrigerator Filters offer a reliable, easily replaceable upgrade to your original-brand filters. These alternatives fit major refrigerator brands – such as LG, Whirlpool, GE, and Samsung – without adapting or changing the existing setup. They reduce chlorine, rust, sediment, and other impurities for better-tasting, fresh drinking water. Credit: Waterdrop Filter Each model comes in a multipack, with each filter lasting six to nine months depending on the model, with the ability to process up to 316 gallons, so you’re not stuck swapping it out several times a year. From October 6 to 7, these filters will be on sale: The WD-F45 is $22.94, reduced from $34.99 (save 34%). The WD-F46 is $22.99, reduced from $29.99 (save 23%). The WD-F07 is $23.79, reduced from $29.97 (save 21%). The WD-F48C is $27.05, reduced from $34.99 (save 23%). You can save an additional 5% with the code XDADEALPF26. Save on Waterdrop Filter systems during Prime Big Deal Days If you’ve been considering an upgrade to your home’s drinking water, now is the time to save on Waterdrop Filter during the Prime Big Deal Days sale. From October 6 to 7, Waterdrop Filter will be offering major discounts across its best-selling RO systems, countertop models, and refrigerator filters. Whether you’re ready for a permanent solution with a full-time, high-capacity RO system or you want to add an easy countertop option, there are savings in every category. No matter your budget or needs, you can make healthier hydration a part of your everyday life with a Waterdrop Filter.