+3 Pressure Manometer ASH-1490 $64.95 In stock Quantity: 1 Add to Bag Product Details Pressure manometer for rebreathing anesthesia systems. Manometer may be used on most anesthetic machines. Manometer has a 1/4" NPT bottom connection. If your machine requires a 1/8" connection, please contact us for assistance. Save this product for later Favorite