High Quality Wall Mounted Ventilation Fan for Household with Auto Shutter

High Quality Wall Mounted Ventilation Fan for Household with Auto Shutter        Characteristic1. Wind blade use 6 blades design with strong wind and low noise.2. Back shutter design to prevent outdoor airflow and mosquitoes to go inside.3. Easy to install and remove. As a result, daily cleaning is easy and without any extra help.4. Equipped with thermal fuse inside for more safer use.5. Motors use 100% copper core and silicon steel sheet with long lifetime.Advantage1. Independent production of plastic parts and motors to ensure quality.2. More than 18 years of experience in research, development and production of exhaust fans, can meet the personalized needs of customers such as technology of winding copper wire, ball bearing or custom color design.Warranty1. Motors guarantee for 3 years' lifetime, and each fan has 1 year's warranty.SpecificationModelSize(mm)SummaryAir Volume (m³/min)Speed (r/min)NoisedB(A)DAA15-AA150220V/50Hz/24W4.3135040DAA20-AA200220V/50Hz/28W8.1130048DAA25-AA250220V/50Hz/38W12128050DAA30-AA300220V/50Hz/46W18110052  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1