Now it is time to put it on your vent and enjoy the air being pushed not up but in the direction you made your vent cover go in. You might want to tap...
So, you just ordered 200 boxes from USPS because they were free and you've probably used close to none. Heres a neat project I made on how to utilize the smaller boxes. Don't have any boxes? Go to USPS.com and order some, they're free.
Step 1: Get a Box, Razor, and Packing Tape
In this picture I have two boxes because I wasn't sure how much I needed, get two in case you need another. Then get a razor and/or scissors and packing tape from officemax, walgreens or where ever.