Strainer
Prevents the intrusion of debris.
When the liquid is suctioned from the top of the tank, attach this accessory to the tip of the suction-side hose to prevent the intrusion of debris.

Y-shaped strainer
Prevents entry of dirt and other foreign matter.

Foot valve (strainer-equipped foot valve)
Check valve-equipped strainer.

This is the check valve-equipped strainer that is attached to the tip of the suction-side hose when the liquid is suctioned from the top of the tank.

For sodium hypochlorite and other liquids that easily bubble, use a Y-shaped strainer.