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: CRL Shop-Vac® Quiet Series Wet/Dry Vac
Product description: This compact, yet powerful and quiet 2.5 gallon (9.46 l) CRL Shop-Vac Quiet Series Wet/Dry Vac is great for mobile van use or any small clean up jobs. Its compact design takes up very little room. With on board accessory storage, cord storage and super lightweight, it travels effortlessly. Powerful 2.0 peak HP motor provides plenty of suction. Quickly converts into a blower for added versatility.
Product feature: Compact 2.5 Gallon (9.46 l) Tank, Powerful, Portable Hand-Held and Wall Mountable Design, Quickly Converts Into a Blower
Product price: $84.07
Product brand: C.R. Laurence
Target attributes: Type
Answer: attribute: type
value: shop-vac
source: product description
attribute: type
value: shop-vac
source: product title