Ulisem Heating and Air Conditioning Round Ventilation Grille, 125mm Stainless Steel Air Vent Duct Mosquito Net Exhaust Grille Air Intake Exhaust Air Ventilation Adjustable Flaps

【High-Quality Adjustable Stainless Steel Ceiling Vent】 Outer diameter 125 mm - 3.5 mm drill holes - for 100 mm ventilation pipe - material thickness 1.0 mm. Made of high-quality stainless steel, environmentally friendly, safe, sturdy, and durable. 【Easy to Install Simple Round Wall Air Outlet】 The ventilation plates are easy to assemble with their 4 drill holes. Very easy to install, and the air volume can be controlled to meet your needs using the control valve on our vent, convenient. 2 pieces - regulator on the side - adjustable stainless steel fan. Flies or other insects become annoying. 【Adjustable Ventilation】 Can be used perfectly for indoor ventilation, less noise, and can also be used for decoration. Perfectly suited for heating or ventilating a boat, mobile home, or caravan. If you want to supply a room with fresh air according to your needs, you've made the right choice. 【Elegant and modern, easy to clean】 Simple design, fashionable appearance, fine workmanship, and excellent quality. Can be perfectly installed on the ceiling or wall, and is also very easy to disassemble for easy cleaning. 【Ideal accessory】 For grilling and smoking professionals, sailors, campers, and anyone who needs adjustable ventilation. Heat can be generated according to the food being grilled. Even garages can be optimally ventilated with these ventilation rosettes. Polished, rust-resistant surface. Features: - 2 x rust-resistant stainless steel ventilation rosettes with sliding lock. Connection plates are ideal for barbecues, smokers, boats, caravans, mobile homes, and much more. - Suitable for indoor and outdoor use, rustproof, weatherproof, and heat-resistant. Contents: 2 F-type ventilation rosettes, Ø 125 mm. Specifications: F-shaped connection plate with side regulator. Material: Stainless steel. Diameter: 125 mm. Material thickness: ~1 mm. Drilling: Ø 3.4 mm.