These 3D printed vents are perfect for the DIYer looking for good quality ventilation to add to their animal enclosure. The vents screw on and have a slim profile. Melanogaster fruit fly and and jumping spider sling proof, they feature a handy feeding port. Three sizes are available, however if you need a custom size, it’s no problem! We have many more colors than are shown in the photos. You can also request a custom color if we do not have it readily available.