Cheap And Discounts Vacuum Manometer Mini Dial Portable Dual Scale Dial Gauge Bar Pressure Gauge 9mm/10mm 1/8" BSP 0-180 0-12 Manometer Double Scale Wholesale. Buy Directly From Merchant AliExpress Healthy Storage Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.