Ingersoll Rand Manual Air Control Valve. New in Very Worn Box old Stock with Shelf Wear, SEE Pictures. Valve Port Size 1/4 NPT. Note: I have taken a picture of 1 of these items. Since I have multiples of this item the picture shown may not be the actual item you receive but are similar to the picture shown and are as described. If you have any questions feel free to contact me. Thanks for Looking and don’t forget to visit my store for more items.