Remove the screens with a soda/beer can or punch them out with a flat piece of metal, I wasn't saving mine so I just cut them out with a dremel tool. This is a reman extra I had and it had screens at one end only. None on the outlet side.
Image URL for use on other sites:
http://images19.fotki.com/v381/photos/6/645139/4513462/vtda003-vi.jpg
Link to send via email/instant messenger:
http://public.fotki.com/blackfnTTruck/vtda-install/vtda003.html
Code for a Fotki Journal:
[photo id=bgdgfqqwsdkbqfxrffrfgbkfgwb type=vi style=1 align=no link=photo]