Good Day - When you scroll down the product page you will see a couple of images. These will confirm the unit is female.
Please be mindful that the SDR and Sch40 adapters are also preinstalled at the female end and need to be removed to fit your desired pipe type :-)
https://www.aquabarrel.com/vent-end-of-pvc-c-162_342hinged-flap-vent-for-pvc-pipe-p-1001422.html