Lennox Healthy Climate PureAir MERV 11 Replacement Filter for PCO-20C, 21" x 26" x 4"

Lennox Healthy Climate PureAir MERV 11 Replacement Filter for PCO-20C, 21" x 26" x 4" Lennox X6667 - 21" x 26" x 4" Healthy Climate PureAir Replacement Filter for PCO-20C Designed for use with PCO-20C air purification systems MERV 11 rating for improved air filtration Captures airborne particles, including dust, pollen, and pet dander Helps maintain a healthier indoor environment Easy to install and replace Measures 21 inches x 26 inches x 4 inches