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Countertop Reverse Osmosis System Replacement Filter WD-M5RF Online Sale

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Model Number


WD-M5RF










Total Filtration Capacity


550 gallons










Filter Life


12 months










Service Flow Rate


15-21 min tank










Feed Water Pressure


29-87 psi










Feed Water Requirement


Municipal tap water










Filtration Media


First PP cotton layer
Activated carbon fiber
Second PP cotton layer
Reverse osmosis membrane layer
Post-activated carbon block layer








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There are quite a lot water filtration systems in the market, however one of the smart choices is probably the countertop water filter system, as it is easy to install following the instruction.




Is it worth getting a countertop reverse osmosis water system?




Yes, it is worth to get a new reverse osmosis water system. No matter where you live, the water you received might be contaminated because of the pollution caused by industries, cars, heavy metals, etc. If the polluted water is absorbed by human beings, it might lead to various problems to your body such as diseases, skin issues, etc. Thus, the requirement of countertop reverse osmosis water system is necessary. In addition, some places have low-quality water that is discolored or that has suspended impurities. There might also be limescale when the water is boiled. If you want to know whether the quality of your water is up to standard, you can buy a TDS meter. If the TDS value is over 250, you really need a professional water filter to purify the tap water.




What is the good reverse osmosis system?




There are many types of water filters in the market with different filtration performance. The good reverse osmosis water system uses up to 5 filtration stages, containing 2 layers of PP membrane, Sri Lankan activated carbon block, RO membrane and post-activated carbon block layer. Combining them all together can reduce most harmful substances, including but not limited to chlorine, lead, taste and odor, sand, rust, particulates, TDS and other heavy metals. What’s more, advanced RO system has creative no electricity design, which is power-saving. Besides, the long service life might be your concern. A good filter system can last up to 12 months, saving you a lot of money on the filter replacement and bottled water.




What is the advantage of countertop reverse osmosis water filter?




The reverse osmosis water filtration system does not require electricity supply, which means you do not have to worry about your power supply under the kitchen cabinet. Therefore, you can drink clean and safe purified water even in emergencies like a power blackout.




What can Waterdrop M5 countertop reverse osmosis system filter out?




Waterdrop M5 countertop reverse osmosis system has an all-in-one filter with 5 stage filtration system, containing two layers of sediment PP membrane, Sri Lankan coconut shell carbon block, RO membrane and post-activated carbon block layer. Combining them all together can reduce most harmful substances. The PP cotton layer filters out sediment, rust, suspended solids, and other large particles in water. Activated carbon fiber reduces organic matters, chlorine, taste and odor. Besides, the second PP cotton layer further reduces suspended matter and other impurities. More important, the RO membrane layer can intercept organic matters and heavy metals in water with a filtration accuracy of 0.0001μm. The innovative filter design allows our countertop reverse osmosis water filter to reduce contaminants while improving the taste of drinking water, providing healthier and safer water for you and your loved ones.
















How does countertop reverse osmosis system work?








It’s not complicated to connect the countertop RO with the sink faucet. As you correctly install the reverse osmosis water system and turns on the faucet, water comes out from the faucet and through the inlet water tube into the reverse osmosis water filtration system. The water then flows through 5 purification stages including 2 PP cotton layers, activated carbon fiber, reverse osmosis membrane layer and post-activated carbon block layer. The system will filter water automatically and stop filtering when the water is full. It’s needed to reduce the cover plate before use. Set the timer to the current month and replace the filter after 12 months.








What is the advantage of countertop reverse osmosis water filter?








Waterdrop M5 countertop RO system uses an all-in-one filter with a multi-stage filtration system, containing two layers of sediment PP membrane, premium carbon block, RO membrane and post-activated carbon block layer. Combining them all together can reduce most harmful substances, including but not limited to chlorine, lead, bad taste and odor, sand, rust, particulates, TDS and other heavy metals.




Our reverse osmosis water system can provide you a well experience with no pump design, less than 20.7db and stable filtration performance with 12 months long service life.








What will happen if I do not replace the filter in time?








Over-used filters will degrade the filtration performance, causing contaminants to leak back into the water and adversely affect your health. It is recommended to replace the filter every 12 months.








Why does the system not filter water after replacing the filter?








During the first use of the system, the water will be delayed for a short time. This will vary according to water pressure and temperature, because the filtered water must overcome the resistance of the RO membrane, fill the waterway, and finally reach the tank.








Can I use the countertop RO system in my RV？








Feel free to purchase our M5 countertop reverse osmosis system that can meet your different needs. You can use it in your home or RV as well.








Is this reverse osmosis water system BPA free?








Please note that our RO system is BPA-free.








Does this countertop reverse osmosis water filter system reduce the salt in the water from my water softener?








Waterdrop RO system, with a filtration accuracy of 0.0001μm, can reduce salt in water.