Parker / Hargraves BLDC 12VDC Miniature Vacuum Diaphragm Pump Dual Head Air Pump
BTC-IIS is ideal for compact, high flow, wide pressure ranges, long-life, low noise applications. However, this does not affect its functionality. Vacuum Range: 0 – 20 in Hg (580 mm Hg) (Parallel)，0 – 25 in Hg (635 mm Hg) (Series).