This is a high efficiency 4 PK Whirlpool Carbon Pre-Filter. This 4-Pack Features a Carbon-based filter which is Designed to Fit Air Purifier Models: AP300, AP350, AP450 and AP510. Compare to Part # 8171434K.
This is a generic product designed and engineered in the United States by Crucial Vacuum/Crucial Air. This is not a Whirlpool® OEM product and is not covered under any Whirlpool® manufacturer's warranty. The Whirlpool® brand names and logos are the registered trademarks of their respective owners. Any use of the Whirlpool® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.