Filterbuy 19x21.5x1 MERV 8 Air Filters (3-Pack)

Measurement System: The Minimum Efficiency Reporting Value (MERV) rates the ability of air filters to trap particles on a scale of 1-20, with 20 capturing the smallest microns.

Standard Protection (90% Airborne Particles): MERV 8 Air Filters - Perfect for almost any home or business seeking great indoor air quality at a reasonable rate. - Comparable to MPR 600 & FPR 5 ratings. - Captures dust, pollen, and other 3-10 micron particles.

Superior Protection (95% Airborne Particles): MERV 11 Air Filters - Perfect for homes or businesses with factors like pets, smokers, and allergy sufferers. - Comparable to MPR 1000-1200 & FPR 7 ratings. - Captures 1-3 micron particles like smoke and smog.

Optimal Protection (98% Airborne Particles): MERV 13 Air Filters - Perfect for larger homes/businesses and those wanting the best filtration. - Comparable to MPR 1500-1900 & FPR 10 ratings. - Captures 0.3-1 micron particles including bacteria.

Odor Eliminator (90% Airborne Particles): MERV 8 Filters with Activated Carbon - Perfect for inhibiting unpleasant smells while providing reliable MERV 8 quality.

Finding the Right Filter Size: - Nominal size is a rounded measurement, while actual size is the precise dimension. - Measure your current filter to determine the actual size, then round up to find the nominal size.

Reasons to Change Your Air Filter: - Maintain healthy air quality and avoid respiratory issues. - Prevent system defects, energy waste, and costly repairs.

When to Change Your Air Filter: - Generally every 3 months, but varies based on factors like pets, allergies, etc.

Compatibility and Quantity: - Most filters are universal, but check for brand-specific compatibility. - Order the right quantity for your home or business needs.

About Filterbuy: - Committed to providing clean, healthy indoor air for all. - Offer custom sizes and expert services for any filtration requirement. - Transitioned to a green frame design symbolizing peace of mind. - Proudly American-made with a nationwide manufacturing network. - Subscription service makes filter changes easy and cost-effective.

Filterbuy has evolved from a small family business in 1958 to a leading provider of premium air filters. By offering enhanced features and a vast selection of custom sizes, we empower customers to breathe freely and live healthier lives.

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