1. Trailer straps weld on or clamp I believe with straps. $25 each
http://i33.photobucket.com/albums/d87/wnaplay/hh_zps5f7b7aa6.jpg
2. I believe this is consider an hvac motor? Was on a hvac system for 2 months before the system was replced with a new one. $20
http://i33.photobucket.com/albums/d87/wnaplay/jjjjjj_zps29310d82.jpg
3. Old no name breather, rusty on top, filter looks useable $5
http://i33.photobucket.com/albums/d87/wnaplay/mms_picture_3_zps7bc4bbd0.jpg