T5/6 Ventilation grille for sliding window left in exclusive structure anthracit

Fresh air in the living room, effective ventilation yet stable and burglar-proof. Quick to insert, locking in the sliding window with mosquito net and rain protection, the water simply runs off the outside.Fresh air in the living roomEffective aeration and ventilationStable and burglar proofQuick to insert, locks into sliding windowWith mosquito netRain cover - water runs off the outside