Access Doors – The "Sandwich" for Round and Rectangular Duct Accessories Clutcher System Clutcher Tools Ductmate Rectangular Duct Connector Systems Isolation Hanger Type SI Moisture Drains and Caps PROguard – Protective Duct Covering Quick Sleeve Round Duct Connector – Galvanized – with FDA Gasket Round Duct Strap Bracket Type BA Spiralmate® – Round Duct Connector System Trapeze Duct Hanger, Isolation Pads, and Trapeze Beam Clamps Ultimate Access Doors – Black Iron Wire Rope