Assertion: filter | /r/HasProperty | changed
Facets:
value: more frequently
type: DEGREE
value: more often
type: DEGREE
Source sentences:
text: If you spend a lot of time in dusty or dirty conditions, they’ll have to be changed or cleaned more often than your owner’s manual specifies, so don’t just rely on the numbers.
text: On the other hand, the filters may be more expensive and more difficult to handle, and they may need to be changed more often.
text: Filters with higher MERV ratings need to be changed more frequently (at least every three months) to avoid restricted airflow that can cause your system to work inefficiently or possibly even damage it.
text: Some systems have an indicator light or another alert that signals when a filter should be changed.