Search query: 18 x 30 x 1 air filter

Product: K&N 18x30x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions.8 x 29.6 x 17.6 inches) The LAST HVAC FILTER YOU WILL EVER BUY: Washable for long-term home air filter savings
SAVE MONEY: Save $30 annually compared to disposable filters
INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
GUARNATEED QUALITY: Premium design and construction for excellent air filtration
DIRECT REPLACEMENT: Designed to fit directly into your filter register K&N

Product: FilterBuy 18x30x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (3-Pack, Silver) The FilterBuy replacement air filter 18x30x1 (actual measurements: 17.75" x 29.75" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 8 synthetic media (comparable with Clean Living Dust Defense MPR 600) is recommended in most scenarios due to its capability to trap 90% of airborne particles, protecting your home or business from debris, lint, pollen, mold, dander, and other forms of dust without impacting air flow. The high-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by three times that of fiberglass models. Plus, our industrial-grade beverage board frames are paired with dual wire backings that significantly outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit. Installation is also made simple with the addition of easy-to-understand arrows that help identify the direction of air flow and subsequently the way the filter needs to be placed. To top it off, all our components are 100% manufactured within the United States and designed with recyclable materials, providing an eco-friendly alternative to enhancing your air quality. FilterBuy: Breathe Freely! 18x30x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 17.75 x 29.75 x 0.75 inches)
MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow
High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models
Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
All components are manufactured within the United States and designed with recyclable materials FilterBuy Silver