Galvanized Steel Airtight Duct Collar - 100MM / 150MM / 200MM / 250MM / 300MM / 350MM / 400MM insulated-ductings delivering both functionality and visual

delivering both functionality and visual appeal

Whether you need to connect three-round ducts or distribute air from a single main duct

The higher the fans static pressure rating (pa) the greater it's ability to remove either hot or stale air from the environment

Galvanized Steel Double BTO (DBTO) - [Size: 350MM x 250MM x 250MM x 250MM | 14" x 10" x 10" x 10"]

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Galvanized Steel Airtight Duct Collar - 100MM / 150MM / 200MM / 250MM / 300MM / 350MM / 400MM insulated-ductings delivering both functionality and visualQuick solution for easily connecting your ducting to your wall, floor or ceiling opening. Galvanized steel body. Ducting Opening Diameter: 100MM (4" Inch) 150MM (6" Inch) 200MM (8" Inch) 250MM (10" Inch) 300MM (12" Inch) 350MM (14" Inch) 400MM (16" Inch)