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: Philips 265850 36-watt PL-L TUV Germicidal with 4-Pin Base Light Bulb
Product description: Philips 36-watt PL-L TUV PL-S Compact Fluorescent Non-Integrated (CFL-ni) lamps are compact UVC (germicidal) lamps used in residential water and air disinfection units. The compact size of the lamp allows for a small system design and design flexibility. TUV PL-L lamps have a protective inside coating that ensures contact UV output over their complete lifetime for maximum security of disinfection and high system efficacy. Thanks to the single-ended lamp base, lamp replacement is easy.
Product feature: For residential drinking water, water and air treatment units, stand-alone purifiers and deactivation of bacteria, viruses and other micro-organisms, Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes, Lamp glass filters out the 185 nm ozone-forming radiation, Warning sign on lamp indicates that the lamp radiates UVC, 2G11, 4-pin Base
Product price: $20.50
Product brand: Philips LED
Target attributes: Type
Answer: attribute: type
value: cfl
source: product description
attribute: type
value: fluorescent
source: product description