FAQ

What is the Length of Opening?
The Length of Opening refers to the dimension of the structure that allows water to pass through. Length of Opening is usually measured using the Foot for Length. Note that the value of Length of Opening is always positive.
Can the Length of Opening be negative?
No, the Length of Opening, measured in Length cannot be negative.
What unit is used to measure Length of Opening?
Length of Opening is usually measured using the Foot[ft] for Length. Meter[ft], Millimeter[ft], Kilometer[ft] are the few other units in which Length of Opening can be measured.
Copied!