Aerostar 12x12x1 MERV 8 Pleated Air Filter – 4 Pack (Actual Size 11.75 x 11.75 x 0.75) | Made in USA

Clean, breathable air starts with the right filter

Meet the Aerostar 12x12x1 MERV 8 pleated air filter, sold as a convenient 4-pack. The actual size is 11.75 x 11.75 x 0.75 inches, built for standard 1-inch filter slots. This filter offers filtration performance comparable to Filtrete MPR 600 and Honeywell FPR 5, providing an accessible upgrade for many homes and small offices.

Filtration performance

• Captures up to 90% of particles in the 0.3–1.0 micron range, including dust, pollen, lint, and mold spores.
• Electrostatically charged pleated media traps more particles while preserving airflow.
• Universal compatibility fits Carrier, Bryant, Payne, Honeywell and other standard 1-inch slots.

Durability and design

• Heavy-duty beverage-board frame with moisture-resistant backing supports up to 3 months of use.
• Reinforced pleats resist sagging for consistent filtration performance.
• Made in the USA with high-quality materials for dependable filtration you can trust.

Usage and care

For best results, replace every 60–90 days under normal conditions and more often during peak heat or cold when the system runs harder.

Compatible with furnaces and air conditioners, this filter can be a simple, cost-effective step toward a cleaner indoor environment without making promises about outcomes.