The PremierOne ARK564 is the original equipment manufacturer's replacement filter kit for use in the HP500 HEPA air cleaner.
The ARK564 Kit is the annual Pre-Filter/Carbon Filter replacement kit. PremierOne recommends replacing these filters every six (6) months for proper operation.
You will receive Five (5) annual kits, including Ten (10) total filters.
Filter Dimensions: 12" x 16" x 2"