• 1.PERFECT COMPATIBILITY: Compatible with Zephyr VGF Series 20x30x3 Integral Residential Return Grille Filter to help you breathe cleaner, fresher air around the clock! Please check your model
• 2.MERV 13: The MERV 13 Class Pleated Air Filter Replacement effectively filters and treats a wide range of airborne contaminants with up to 98% filtration to clean air quality
• 3.PREMIUM QUALITY MATERIALS: We use only MERV 13 air filters made of moisture-resistant cotton fibers and sturdy cardboard; to ensure its durability and long-lasting performance, the electrostatic pleated design removes more organic airborne contaminants to provide you with reliable filtration
• 4.COST-EFFECTIVE: 2 Pack 20x30x3 Class Pleated Air Filter Replacement is affordable and more cost-effective than similar products
• 5.SUGGESTON: 20x30x3 MERV-13 filter is easy to replace without any tools. It is recommended to replace it every 6-12 months depending on usage and environment