Product details:

18 Length- Install vent with a continuous pitch of 1/4 per foot, sloping upward toward the termination (unless otherwise specified by the appliance manufacturer). It is important to provide adequate support to a Saf-T Vent EZ Seal system. Support horizontal portions of the vent system at 6-foot intervals. Vertical sections should be supported at least every 30-feet and after every offset or transition. 3 Diameter 18 Length - Straight Saf-T Vent EZ Seal AL29-4C Stainless Steel EZ Seal Catalog & Dimensional Data EZ Seal Brochure Heatfab Weight Per Foot View Adapter Chart EZ Seal Install (3 to 5) EZ Seal Install (6 to 16)