Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Powermate PL1581109 11-Gallon Invector Vertical Air Compressor
Product description: PL1581109 Features: -Lubrication Type:Oil free -Distressed:No. Dimensions: -Overall Height - Top to Bottom:38 -Overall Width - Side to Side:15.5 -Overall Depth - Front to Back:17.5 -Overall Product Weight:56, 11-Gallon, low maintenance oil-free INVECTOR air compressor has no oil to add or change and starts easily in cold weather. The circuit breaker friendly motor requires only one-half the starting current than traditional induction motors, so it starts easily even with the use of an extension cord. The compact shroud design has a fully integrated regulator, tank and working pressure gauges, air outlet, large easy to read on/off switch, tool holders and tool tray. The 11-Gallon ASME vertical tank is highly portable and saves space. 120-Volt operation allows it to plug into any standard outlet for quick and easy use. Unit comes fully assembled.
Product feature: Oil free, low maintenance operation, Circuit breaker friendly motor, Compact shroud design with fully integrated regulator, gauges, air outlet, large on/off switch, tool holders and tool tray, Compact 11-Gallon vertical portable tank saves space yet remains portable, Maximum pressure: 125 PSI; CFM at 90 PSI: 4.0; CFM at 40 PSI: 6.0; RHP: 1.5; UL and CSA certified
Product brand: Powermate
Target attributes: Pump Style
Answer: attribute: pump style
value: None
source: None