Research Methodology Methodology Followed for Calculation of Market Shares: Market shares by filter type, by sales channel, by region and by company were calculated based on the responses received through primary surveys with industry experts, in which the respondents were asked about the market shares or revenue generated from various segments. The final shares were calculated by taking the geometric mean of the responses gathered from key opinion leaders after eliminating the outliers. Methodology Followed for Forecasting: • TechSci Research performed periodical checks on data collected through the surveys with logic checks and analyzed the survey results in SPSS/Tableau Software. • Data triangulation techniques were applied to fill the gaps and to present a more meaningful picture of the market. To forecast Malaysia air purifiers market, TechSci Research used various forecast techniques such as: o Moving Average o Time Series Analysis o Regression Analysis o Econometric and Judgmental Analysis 10