Spiro coupling - reduction, diameter 160/200 – Spiral reducer for seamless transitions between different duct diameters in your HVAC and heat recovery systems.

Spiro coupling - reduction, diameter 125/250 – Spiral reducer for seamless transitions between different duct diameters in your HVAC and heat recovery systems.

Spiro coupling - reduction, diameter 160/250 – Spiral reducer for seamless transitions between different duct diameters in your HVAC and heat recovery systems.

Spiro coupling - reduction, diameter 200/250 – Spiral reducer for seamless transitions between different duct diameters in your HVAC and heat recovery systems.

Spiro coupling - reduction, diameter 250-280 – Spiral reducer for seamless transitions between different duct diameters in your HVAC and heat recovery systems.

Spiro T-piece 125mm – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro T-piece 160mm – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro T-piece 200mm – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro T-piece 250mm – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro Y piece 3xDN125 – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro Y piece 3xDN160 – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro closable flap for servo drive 125 airtight – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro closable flap for servo drive 160 airtight – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro closable flap for servo drive 200 airtight – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro closable flap for servo drive 250 airtight – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

RETURN DAMPER – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.

Spiro sleeve with rubber 125mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro clamp with rubber 160mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro clamp with rubber 200 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro clamp with rubber 250 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro clamp with rubber 280 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro clamp with rubber 315 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro clamp with rubber 355 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Blanking plug for Spira ZS - 125 – Professional galvanized component for robust and highly efficient heat recovery and HVAC ventilation systems.