Safe for continued operation with the integrated thermal protector.
Two-step exhaust system to attain high level vacuum. (Model PD)
Easy to transport. Also ideal for embedding into a unit.
Equipped with an oil stop valve. (PD53/139/204)
Large oil level gauge allows easy check of dirt. (PD53/PD139/204)
Supports multi voltages of 100 to 120V and 200 to 240V. (PD139/204)
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