TITAN 12V DC 140mm Double Reversible Roof Window Fan with Wireless Controller for RV/Motorhome (TTC SC21/V4+)

UNIVERSALLY FIT ALL BRAND OF 380-550MM ROOF WINDOW FIT FOR WINDOW FILTERS- Roof window can be closed or opened without dismounting the double fan REVERSIBLE AIRFLOW DIRECTION- Manually reverse airflow direction design, allowing push hot air out from inside and draw in fresh air from outside. QUICKLY HEAT TRANSFER AND REGULATE CIRCULATION- Equipped ith strong airflow of 280 CFM by two 140mm fans, it can quickly push hot air out to regulate and enhance ventilation inside 6-LEVELS OF SPEED CONTROL & TITAN 9-BLADES SILENT FAN, Weight: 2.2 Pounds, Manufacturer: TITAN Technology