What kind of good is the front filter 40 micron and 90 Micron? Both 40 microns and 90 microns refer to filtration accuracy, and 40 is definitely better than 90 in Qinyuan and Honeywell. Supplement: 1. the front filter is the first coarse filtration equipment for the whole house water, which can filter the sediment, rust and large particles in the tap water. 2. the front filter is generally installed at the front end of the pipeline, so it is named after the word 'front' two 'filter' refers to the basic principle of such equipment. It is usually the \ 'T \' type structure. The above \ 'one horizontal \' position is the inlet and outlet at the left and right ends. The following \ 'one vertical \' position is the cylindrical filter screen inside the body and the bottom is the sewage outlet, which is opened and closed by a valve. 3. the precision range of the filter screen varies from 5-300 microns according to different brands and models. The main removal of precipitated impurities and granular impurities greate
Which is good for the front filter? At present, the foreign front filter brands that are relatively good in China are basically 3 M, hanshill, Honeywell and Di Xiaoou. the first three are installed on the main pipe to remove sediment in the water pipe, as the first coarse filtration equipment for the whole house water, and the shape is basically the same, the last Diario is a Korean brand, installed on the faucet water supply hose, not for the whole house, one faucet has to be installed under one faucet, and the core is changed regularly, but it can remove rust, residual chlorine and bacteria in addition to sediment removal, which is more functional than the first three and cheaper, can choose according to their own needs.