3PCS Ventilation Filter System with Pre Filter Carbon Filter HEPA Stages
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Color:As shown. Size:100mm：305 185mm，150mm：305 185mm，200mm：425 275mm.
Vintage Victorian Doctors Brass Door Knocker / Virginia Metalcrafters
• Victorian Doctor’s Door Knocker design. • Solid cast brass construction.
Square Pipe Ventilation Grille Cover Stainless Steel Black 14.5×14.5×5.3cm
Black Square Pipe Ventilation Cap Louver Grille Air Outlet Cover 18x18x5.3cm
Efficient Airflow: Ensures quick and smooth ventilation with optimized grille openings for maximum performance. Easy Installation: Designed for hassle-free setup with a compact profile that fits standard ventilation openings.
4 Carbon Monoxide Detector Warning Alarm Sensor LED Digital Battery
Install 30 cm below or above the ceiling of the room to be probed. The installation should not be too close to the gas stove or smoking machine. Avoid oil smoke directly into the alarm, otherwise it will affect the sensitivity of the alarm household carbon monoxide alarm for gas, co leakage detection, can be installed in the kitchen, bathroom and other places.