Compatible model: WD-CTF-01 & WD-CTF-02 countertop water filtration system..Multi-stage Filtration System: 5-stage filtration system can effectively reduce harmful substances commonly found in tap water such as colloid, sediment, chlorine.(Tested by a third party laboratory.) It can also reduce scale, heavy metals, hydrogen sulfide, fluoride, delivering safe, tasty and fresh drinking water..Infusion of beneficial minerals: Adding minerals such as calcium, magnesium and potassium. All of which greatly benefit your health. (Please Note: This system DOES NOT lower TDS value due to the benefit minerals added in water. If you want to decrease the TDS value, please choose Waterdrop RO system.).Fast flow & long service life: When connected to municipal tap water, the service life can be up to 12 months or 8,000 gallons. (This may vary based on water conditions). By using advanced filtration technology, the water flow can reach up to 1.6 gallons per minute..Environment friendly: Do you want to help reduce plastic waste and save our environment? Waterdrop CFF-01 can be part of the solution by replacing up to 50,000 plastic water bottles a year. Choose our planet over plastic. Operating Temperature: 41-100°F (5-38°C) ; Operating Pressure: 15-100 psi / 100-689 kPa.