Poor air quality affects millions of people in the UK! For example-grass pollen from pollen season, dust from outdoors, various tiny allergens, family and friends who smoke, or dander and odour from your four-legged friends; Core 300S can effectively solve the above problems; Here is why 【Hay Fever Relief 】- June is the height of the grass pollen season, and 49 per cent of Britons experience varying degrees of allergy symptoms such as sneezing, runny nose and watery eyes; Is there a better way than taking Antihistamines/Decongestants or Oral Allergy Relief Medications? Air purifiers can effectively filter out pollen allergens, allowing your family to breathe easier in your home and reduce the discomfort of allergies 【Real-time Air Quality Monitoring】 Core 300S use a laser dust sensor with higher accuracy, faster detection, and a larger particle size range (≥0;3um); Your concerned PM2;5 will be displayed on our smart VeSync APP and the air quality is prompted by the colour change of the Indicator Colour on the purifier panel 【Efficient 3-Stage Filter System】 The first defence primary filter can filter dust, pet fur, lint; The second defence H13 HEPA filter trap airborne particles such as pollen, pet dander; The last defence activated carbon stage can effectively filter out unpleasant smoke and odours; 3-Stage defences protect your each breathes 【Suitable for Room Size Up to 100 m²】 The effective purifier area of Core 300S can meet the needs of most families; The purifier can cover 50 m² twice per hour and 100 m² once per hour; 360°air intake design, all-around air purification; It's perfect for bedrooms, living rooms, and offices 【Free Your Hands and Enjoy Your Fresh Air】 Simply ask Alexa or Google Assistant to control the air purifier when your hands are full; The free VeSync app also allows you to customize some preset like schedules; Not sure which gear to use? Click the automatic mode, let Core 300S automatically select the most needed mode according to your air quality; When you switch it to high fan speed, it can cools down your room in the summer and brings you comfort 【Ultra-Quiet Sleep Mode】 No light, no noise, just air purification! Core 300S was awarded a ""Quiet Mark"" in 2024 and it is one of the quietest Air Purifiers on the market; Sleep soundly while the air purifier works as quietly as 22dB for light sleepers; Sleep Mode automatically turns off display lights and reduces noise levels 【Great-value option】 Save energy with the air purifier's DC motor, which uses little energy to operate and saves money, even while running on the highest fan speed 24/7; And Core 300S won the Red Dot 2021 and Energy Star Verified 【4 Customized Replacement Filters for Choose】 Depending on different individuals' needs, we provide four types of filters for purchase: Original filter, Pet allergy filter, Toxin absorber filter and Mould filter; Replace your filter every 6-8 months(You can check the remaining life of the filter on the VeSync App); Please search for B07RSZSYNC or Core 300-RF for replacement of original filters", Weight: 6.0 pounds, Manufacturer: Levoit