Assertion: air filter | /r/HasProperty | simple device
Facets:
value: for years
type: TEMPORAL
value: inside a frame
type: LOCATION
Source sentences:
text: An air filter is a simple device that's vital for the healthy running of your car, but there's more than one type out there on the market
text: It's what prevents dust, pollen, and debris from making its way into your fuel system, and for years air filters were just a simple pleated paper element inside a frame.