Thermobox 150 duct Kit - 150mm Airtight Cooker hood damper kit. Blower-Door certified.
Kit Includes:
1 x Thermobox 150 airtight cooker damper
1 x 150mm external stainless steel bullnose grille.
· Up to 20 times less heat loss (compared to standard backflow traps)
· Efficient thermal insulation of the exhaust opening
· Heat insulating reflective layer
· Can be retrofitted in existing 150mm ducts
· Innovative opening and closing mechanism
· Blower-Door certified (required opening pressure >65 Pa)
· Magnetic opening and closing
· Defined opening pressure prevents rattling
· Opens fully even at low flow rates
· No vibrations, no rattling noises
