What size is the neck for a Type A air distribution device with a CFM rating of 471-620? I Question 6 1.33333 out of 1.33333 points What type of insulation is required behind the masonry face brick? I Question 7 1.33333 out of 1.33333 points Who is the Acoustical contact for the project? I Question 8 1.33333 out of 1.33333 points According to the documents, how much Airflow (CFM) is SA-3 capable of supplying? Question 9 1.33333 out of 1.33333 points