Munster DIY: Nationwide supplier of Airtightness & Ventilation Products.

Airtight Cooker Hood Dampers

Airtight Cooker Hood Dampers: The Thermobox 150 & 125 is manufactured by Naber in Germany and Blower-Door Certified (required opening pressure >65 Pa). They can be retrofitted in existing 150mm & 125mm ducts and will open fully even at low flow rates.