Noctua 140mm fan grill for neurocean_821324's corsi rosenthal air filter

made for the following: https://www.printables.com/model/1251061-corsi-rosenthal-air-filter-140mm-pc-fans-16x20x1-f noctua says this is better used as intake, but having no problems with putting it on the exhaust side. there is slight reduction in airflow with the grill