HONGUAN(Hon&Guan) Window Seal 400 cm for Mobile Air Conditioners, Double Zip, Heat Insulating, Waterproof, Abrasion-Resistant, Suitable for Window Seal, Air Conditioning, Roof Windows, Casement Windows backdraft-damper Semi Rigid Vent Hose Semi‑rigid

Semi Rigid Vent Hose Semi‑rigid metal duct combines the airflow efficiency and lint resistance of rigid ducting with moderate flexibility

6 Inch Backdraft Damper Installation and Maintenance

Its high-efficiency motor ensures optimal airflow while minimizing energy consumption

lightweight PVC hose offers a smooth interior for easy airflow with basic insulation and light‑blocking properties

The Mixed flow duct fan is constructed with durable PP material

HONGUAN(Hon&Guan) Window Seal 400 cm for Mobile Air Conditioners, Double Zip, Heat Insulating, Waterproof, Abrasion-Resistant, Suitable for Window Seal, Air Conditioning, Roof Windows, Casement Windows backdraft-damper Semi Rigid Vent Hose Semi‑rigid