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.

Plenum box with regulator 2xDN90/125. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Unregulated transition box 2xDN75/125. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

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.

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

Spiro 45° elbow for 250mm duct – Galvanized spiral elbow for smooth directional changes in your ventilation network. Ensures minimal air resistance.

Transition box 2xDN75/125, 200 mm extension. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Plenum box unregulated 2xDN90/125. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

High-quality Extension Ø125 (20 cm) for seamless connection to plenum boxes, optimized for smooth airflow in residential and commercial HVAC systems.

Straight transition box 2xDN75/125. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Spiro Coupling – 125mm Pipe Nipple – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro Coupling – 160mm Pipe Nipple – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro Coupling – 200mm Pipe Nipple – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro Coupling – 250mm Pipe Nipple – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro coupling - pipe nipple 280 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Spiro coupling - pipe nipple 315 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

Plenum box straight 1xDN90/125. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Spiro coupling - pipe nipple 355 mm – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.

High plenum box for drywall DN90/125. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Spiro coupling – slip duct connector for 125mm pipe – Essential connecting component for secure and airtight assembly of your spiral ducting ventilation network.