18x25x4 (17.5x24.5x3.75) APR 450

• MERV 6 Rating
• Each filter lasts up to 3 months.
• Captures a wide variety of airborne allergens including dust, mold, pet dander, and dust mites.
• Up to 8-times more effective at capturing micro particles than ordinary fiberglass filters.

Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways.
Rugged and durable. Will not warp or leak under normal operating conditions.
Excellent for high-velocity systems and maximum air flow.

The EPA has named Indoor Air Quality (IAQ) as one of the top 5 environmental health risks. Today, people spend almost 90% of their time indoors exposed to air contaminants such as household cleaning products, pet dander, secondhand smoke, mold and more. Change your home air filters regularly to avoid temporary discomfort and the long-term health effects of breathing dirty air.