Reducing pipe   DN out/in 160/135 to diameter 125, female.

Vapor Barrier DN125 – Effective Protection Against Moisture in Ventilation Systems

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.