Filter-Monster 1" Pleated HVAC Air Conditioner Furnace Replacement Air Filter MERV 11 / MERV 13 Options, 4 Pack

The Filter Monster Pleated HVAC Furnace filter helps to ensure improved indoor air quality. With the easy to read and use air filter labels, you can easily mark the date you installed the filter giving you peace of mind on when it is time to replace your filter. The label also includes an easy to read air flow indicator to help ensure correct filter installation. For optimal performance, it is recommended to replace the HVAC filter every 90 days or sooner if the filter becomes dirty, damaged, or depending on air quality and environmental factors. Features EASY TO READ AND USE LABEL: With a location on the label to let you easily mark the date you have installed the filler, helps you to know when it is time to replace the air filter. Locate the air flow direction to quickly & install the filter into your HVAC system. REPLACEMENT TIME: For optimal performance, replace every 90 days, or sooner if the filter becomes dirty or damaged. CONTENTS: Included in the package are four (4) 1" Pleated HVAC Air Conditioner Furnace Replacement Air Filter. Size Options: FM-16201 - Nominal Size: 16 x 20 x 1 inches / Actual Size: 15.5 x 19.5 x .75 inches FM-16251 - Nominal Size: 16 x 25 x 1 inches / Actual Size: 15.5 x 24.5 x .75 inches FM-20201 - Nominal Size: 20 x 20 x 1 inches / Actual Size: 19.5 x 19.5 x .75 inches FM-20251- Nominal Size: 20 x 25 x 1 inches / Actual Size: 19.5 x 24.5 x .75 inches All sizes available in MERV 11 (Yellow) and MERV 13 (Blue)