Demiwise Air Vent Filters

Cut to Size 1,080 sq. inches This 12x90x0.5 inch air vent filter (1,080 sq. inches) can be cut into over 45 pieces to fit vents of various sizes including 4″x10″, 4″x12″, 6″x12″, 10″x10″, and 12″x20″, ideal for floors, ceilings, walls, windows, RVs, and HVAC systems.
MERV 8 Triple Filtration Features triple-density layers that capture up to 85% of dust, dander, and allergens, reducing sneezing and irritation while blocking debris and pests from entering air ducts.
Quick Installation Air flows from the white side through to the blue. Just measure, cut, apply adhesive hook tape, and press onto or inside the vent—easy 4-step setup.
Non-Woven Polyester Material Made from breathable, durable polyester with progressive density to capture particles of all sizes without blocking airflow, helping extend HVAC equipment life.
Clean Air & Less Dusting Reduces dust buildup and allergy triggers, saving time on cleaning and extending furnace filter life. Perfect for homes in dusty areas and allergy-sensitive spaces.