PRANA Extension 25 cm is a practical accessory that allows the installation of the heat recovery unit into thicker walls.

Lightweight, durable, and energy-efficient EPP duct ideal for modern, silent, ecological and easy-to-install 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.

Lightweight, durable, and energy-efficient EPP duct ideal for modern, silent, ecological and easy-to-install ventilation systems.

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.

Spiro 90° elbow for 125mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Spiro 90° elbow for 160mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Spiro 90° elbow for 200mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Spiro 90° elbow for 250mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Short Flange for Flow (125 mm) V2 — wall accessory that covers the Ø 125 mm ductwork opening cleanly. For heat recovery unit ductwork. V2: without sealing stickers.

Spiro 45° elbow for 125mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Spiro 45° elbow for 160mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Plenum Box without Regulator 1xDN90/125 ensures smooth airflow with a DN125 inlet and DN90 outlet. Durable, efficient, and easy to install.

Spiro 45° elbow for 200mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.