FAQ

What is the Filter Length?
The Filter Length refers to the total length of filter required to effectively do the filtering process. Filter Length is usually measured using the Meter for Length. Note that the value of Filter Length is always positive.
Can the Filter Length be negative?
No, the Filter Length, measured in Length cannot be negative.
What unit is used to measure Filter Length?
Filter Length is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Filter Length can be measured.
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