narrow window ventilator (Springfield)

hopefully narrow like 4 to 6 inches in height and up to 34 inches wide.

I have not had a reply back that I know of and I want to put many ventilators in the north side to bring cool air into the home and exit on the south side with a fan that is about 3 times the volume of the ventilators.

Thanks

'I found one at Lowes but would l,ike to get any others that someone is discarding