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

ProNordic S140R — commercial AHU, rotary heat exchanger, 1 555 m³/h, Ø250 mm connection, ePM1 55% filters, Siemens Climatix CS2500, Modbus. Fits 70 cm door.

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.

Flexit Nordic S4 — central air handling unit with rotary exchanger, up to 85% efficiency, 461 m³/h, Ø160 mm ducts, 2×F7 filters and Flexit GO. For homes up to 230 m². RER & REL.

Transition box AST 3xDN75/125, 400 mm. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

ProNordic S180R — commercial AHU, rotary heat exchanger, 1 800 m³/h, 500×250 mm connection, ePM1 55% filters, Siemens Climatix CS2500, Modbus. Fits 80 cm door.