The product is a master pack of air vent filters, consisting of 240 layers per pallet and each filter measuring 12" x 120" x 0.5". Made of polyester material in blue and white color, these filters are compatible with HVAC, floor vents, AC/RV vents, ceiling vents, and ceiling fans. With a minimum efficiency reporting value of 8.0, this product is designed to effectively filter and clean the air in various devices to ensure healthier and more comfortable environments.