Spiro duct 100 mm, 3m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 125 mm, 1.5m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 125 mm, 3m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 160 mm, 1.5m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 160 mm, 3m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 200 mm, 1,5m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 200 mm, 3m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 250 mm, 1,5m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.

Spiro duct 250 mm, 3m – Rigid spiral ducting for optimal airflow in HRV/ERV and HVAC systems. Minimal pressure drop and high durability.