Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Maxam KT4000 Stainless Steel Countertop Water Filtration System
Product description: Features polished stainless steel exterior, CTO carbon block filter and diverter valve. Removes chlorine, heavy metal ion, chemical pollution, bad odor, taste, and molecules larger than 5 microns. White box.
Product feature: This is easy to use, This is highly durable, This is manufactured in China
Product brand: Maxam
Target attributes: Type
Answer: attribute: type
value: None
source: None