1 Primary air filter should not use oil-soaked type
2 The medium efficiency filters should be installed in the purification section of an air conditioning system
3 HEPA filter or sub-HEPA filter should be set at the end of the cleaning chamber
4 Medium, sub-HEPA and HEPA air filters should be chosen as per the rated air flow
5. Resistance and similar filters should be installed in the same clean workshop
6 For the HEPA filters,they should be installed by convenient, easy to check and replace |