OLYCRAFT 2 Pack Activated Carbon Filter Sheet 47x15.5 Inch Cut-to-Fit Air Filter Foldable Air Purification Filters Activated Carbon Sheets for Home Car Kitchen Commercial HVAC Industrial Systems

["Powerful Air Purification--The activated carbon filter sheet is a top-notch choice for air purification. With its high-density activated carbon matrix, it can effectively capture airborne particles and neutralize odors, making the indoor air much fresher. The Fibre construction strikes the perfect balance between airflow resistance and efficient filtration, ensuring proper ventilation. Whether it's for your home or office, this carbon air filter will keep the air clean","Convenient Folding Design--This ac filter features a dual-size design. When folded, it has compact dimensions, about 215mm/8.46 inch wide, 200mm/7.87 inch long, 58.5mm/2.3 inch thick, making it easy to store. When opened, it has an expansive size 1194mm/47 inch long, 394mm/15.5 inch wide, 5mm thick for maximum surface contact. The accordion-style folding pattern can withstand repeated expansions, maintaining its structural integrity. It's extremely convenient for various applications","Durable Material Composition--Crafted from industrial-grade fibre material with a matte black finish, this activated charcoal filter is highly stain-resistant and compatible with most ventilation systems. Its non-shedding construction ensures clean operation, without releasing any carbon particles into the filtered spaces. You can rely on its durability for long-term use","Two-Piece Value Pack--This pack contains two professional-grade carbon filter sheets, ideal for sequential replacement in continuous air purification systems. The standard rectangle shape can fit most rectangular filtration housings and frame assemblies. It's a great value-for-money option for those in need of air conditioner replacement filters","Universal Application--The vent filter is compatible with multiple air treatment configurations, including HVAC systems, portable air purifiers, and ventilation duct installations. When fully expanded, it maintains a consistent 5mm thickness for a secure seal within filter compartments. It's a versatile solution for different air purification needs, whether it's in a window ac filter or other setups"]