기능

• The strainer and self-breathing filter prevent large and fine dust and sand from being sucked into the body.
• The self-breathing filter prevents fine dust and sand from being sucked into the body.
• The self-sucking hose does not collapse even under the negative pressure applied during self-sucking.
• Prevents large dust from being sucked in by the strainer and prevents clogging of the self-breathing filter.
• By installing the air vent hose, the area around the body is prevented from being flooded.