Honeywell HRF-B2 Filter B Household Odor & Gas Reducing Pre-filter, 2 Pack

Odor gas reducing, pre-filter, carbon filter. Install with arrow pointing towards unit, clean monthly, replace every 6 months.
The company has consistently adhered to the tenet of “Quality First, Customer First, Quality Service, Contract Based” and won the trust of customers. The company has a strict management system, and has passed the ISO9001 quality management system certification. Besides, the company has established a standard and professional testing center, which has not only been equipped with a testing laboratory, but also has established a 30CBM of formaldehyde and air particulate matter test chamber, wind tunnels and other testing equipment. The company has established long-term cooperation relationships with many well-known domestic and foreign enterprises, and its products are exported to Europe, America, Japan, Hong Kong and other places. The company is wholeheartedly willing to carry out win-win cooperation with all major merchants for common development and brilliance.