Hidden exhaust fan Nasco with a suction power of 120, size 25*25

Ceiling exhaust fan hidden steel body with strong suction power 150 CFM. Gypsum opening size 24*24. 4-inch outlet. Very quiet efficiency. Immediate replacement warranty (5 years). Country of origin: China. You can order accessories here: flexible hose (Hanjur) 4-inch size. Vent opening protection from birds and insects: circular grille with 4-inch and 6-inch size. Available with 2 suction powers (90 - 150). 2x1.5 bathroom needs a fan with power 90 (4-inch outlet). 2.5x2 bathroom needs a fan with power 150 (4-inch outlet).