Vents, Stainless Steel Exhaust Cap, 304 Round Grille Vent Cover, Easy DIY Connection Kit, for Ventilation and Exhaust(4.3inc

DURABLE STAINLESS STEEL - Choose your size according to the outer diameter of your fireplace, our fireplace lids are made of 304 stainless steel, which is heat resistant. Our robust design also eliminates the need to worry about frame deformation. As a result, it can be used outdoors for years, no matter how harsh the weather is. Principle: Using natural wind and thermal convection of air generated by the temperature difference between inside and outside, it makes the turbine rotate and expel dirty indoor air. EASY TO INSTALL - All air heads are shipped complete, no assembly required, come with installation accessories, no need to assemble the vents, just remove and install them in the desired location. Scope of application: can be used in greenhouses, residential buildings, covered terraces, industrial warehouses, wet houses and enclosed or underused rooms or spaces to promote air circulation. The latest ceiling fan on the market, easy to install and stylish to the eye