Manufacturer: Nu-Air Ventilation Systems Inc. Description: Polyester Antimicrobial filters 12″ x 14″ < cut to size (Set of 2) Compatibility: Please see documents folder Manufacturers’ Part Number: NUF500HRV Keep your heat recovery ventilator running well with Nu-Air Polyester Antimicrobial Filter Kit NUF500HRV. This filter replacement delivers 85% average arrestance. This speaks to how well it removes larger particles of dirt, lint, hair and dust from the air. The filter has a high dust-holding capacity of 75 grams per square foot. For improved health and safety, it is also antimicrobial and non-carcinogenic. You can cut this filter to fit any Nu-Air HRV/ERV model as well as the majority of competitive models. 85% average arrestance Antimicrobial Non carcinogenic High dust holding Can be cut to fit Nu-air and other brands of residential heat recovery ventilators HRV MAINTENANCE: Dirty filters can reduce ventilation efficiency, result in unbalanced airflow and damage or shorten the life of the motors. Vacuum every three months. Nu-Air Polyester filter kit (set of 2) Part number NUF500HRV Nominal size 12″ x 14″ < cut to your size. High dust holding capacity / Antimicrobial, Non-carcinogenic.