PRO-VENT: Ventilation Debris Prevention : pvsc BACK PRO-VENT Screws This washer-head screw is perfect for the PRO-VENT. The flat head prevents damage to the mounting bosses of the PRO-VENT. This keeps your PRO-VENTs from early retirement. $6.50ea - Buy Direct Custom Imprints Tests & Ratings Features Installation Logos & Images   HOME | ABOUT | DATA | ORDER | CONTACT   1-866-782-8862 This website is ©2005 Pro-Vent, Inc. All rights reserved.