1. Filtration Accuracy: Select the appropriate filter and implement different filtration stages based on water quality requirements. Common filtration accuracies include particles, heavy metals, etc., ensuring effective removal of impurities and contaminants from the water. 2. Filter Type: Understand the functions of various filters, such as activated carbon filters for odor removal, reverse osmosis membranes for dissolved solids removal, etc. Choose the suitable filter cartridge according to actual needs and it regularly. 3. Water Source Safety: To ensure water source safety, consider the filter's capability to raw water and avoid contaminated sources when selecting a filter. 4. Maintenance: Clean and maintain the filtration equipment regularly to keep it in good working condition. Periodically check the replacement schedule of the filter cartridge to prevent secondary contamination.