C. Stroke if I'm not mistaken.
Good luck!
The answer is the letter B. Amount of restriction measured in inches of water. <span>The restriction measuring devices are used to extend the filter's useful life, that is, they maximize the filter's useful life, which significantly reduces maintenance costs.</span>
Answer:
The answer is C) The new size of the interval would be about 70% the size of the previous interval.
Explanation: