Simply 18x20x1 Air Filter, MERV 8, 6-Pack — Universal HVAC Filtration

Overview

Meet Simply Filters 18x20x1 MERV 8 air filter set, designed to harmonize with a wide range of home and commercial HVAC systems. With an actual size of 17.75 x 19.75 x 0.75 inches, these filters slide into most return slots or filter cabinets with ease, helping you maintain cleaner indoor air without fuss. Crafted in the USA using 100% American components and recycled materials, the six-pack approach blends reliability with everyday value, making routine maintenance more convenient.

Beyond fit, this collection emphasizes practical filtration designed for real-world spaces. The build supports steady airflow while capturing common culprits like dust, pet dander, pollen, and mold particles, contributing to a fresher, more comfortable environment in homes, offices, and small commercial settings.

Key benefits

• Universally compatible: nominal 18" x 20" x 1" with an actual size close to 17.75" x 19.75" x 0.75"; suitable for many brands and models.
• Cleaner air everywhere: traps dust, mold spores, pet dander, pollen, and auto exhaust to promote healthier spaces.
• Advanced pleated technology: higher pleat count for more filtration surface and efficient airflow.
• Long-lasting filtration: designed for up to 3 months of use, depending on environment.
• Easy installation: simple slide-in replacement guided by airflow arrows for furnaces, A/Cs, and central HVAC systems.
• Made in USA: 100% American components and responsible sourcing support local manufacturing and quality.

Easy installation and ongoing maintenance

• Quickly identify the correct orientation by following the arrows on the filter frame to ensure optimal performance.
• Replace on a routine basis—up to every 3 months under typical conditions—to maintain airflow and filtration quality.
• Compatible with a variety of systems, including air conditioners, furnaces, heat pumps, and central HVAC units.
• Packaging is designed to protect against contamination, helping keep each filter ready for immediate use.

For added convenience, consider the Simply subscription option to receive auto-deliveries and maximize value over time. This approach aligns with an ongoing effort to maintain cleaner air while simplifying routine replacements. Experience American craftsmanship and consistent filtration quality with a product built to perform in everyday environments.