1. Safety Protection: Preventing liquid (e.g., sewage, chemical solutions, hot oil, etc.) from directly splashing onto the skin, clothing, or precision components, to avoid risks such as corrosion, scalding, or contamination.
2. Purification filtration: Filtration of sediment, particles, suspended impurities in liquid, or adsorption of odors, harmful chemicals, to ensure the cleanliness or safety of the flowing liquid.
3. Scenario compatibility: Compatible with different environmental needs, such as preventing hot oil splashes in the kitchen while filtering oil residue, and preventing chemical liquid splashes in industrial scenarios while filtering harmful particles.

