Lincoln Electric 9SG6911-59 G6911-59 VALVE, CHECK, 1/8 NPT Sale Price: $130.77 Original Price: $150.39 VALVE, CHECK, 1/8 NPT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! VALVE, CHECK, 1/8 NPT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1