Used for air control for several years. Stored after confirming no operational problems. Inventory: 4 pieces (as of 2025.12.27) If you want multiple items, we will discount 100 yen from the second piece. The stock quantity will increase from time to time. Mounting plate available for an additional 100 yen. Please comment if you wish. Material (Body): Brass Material (Seal): Fluorine rubber Connection Port Diameter: 1/4 RC CKD Direct-acting 2-port solenoid valve Single unit Multiplex Valve AB31/41/42 Series AB31-02-1-J-AC100V Features: Multiplex valve series that controls various fluids such as water, air, gas, and oil.