16x20x1 MERV 13 Refill Media Only, 4-Pack, Frame Required

[4-Pack Refill Media Only]: Includes 4 replacement refill media pieces for the AErovivo refillable air filter system. This pack is designed for returning users who already own the reusable frame and want to replace only the filter media. Frame is not included and is required for installation. | [16x20x1 Nominal Size, Actual 15.75x19.75x0.75]: Made for AErovivo 16x20x1 refillable air filter frames with an actual media size of 15.75x19.75x0.75 in. The clear size callout helps homeowners and renters confirm fit before buying and avoid ordering replacement media that does not match their filter system. | [MERV 13 Pleated Filter Media]: MERV 8 pleated media is designed for routine residential AC, HVAC and furnace filter replacement. It helps capture common household particles such as dust, pollen, lint and pet hair while supporting balanced airflow for everyday home air care. | [Keep the Frame, Replace the Media]: Instead of replacing the entire filter each time, this refill pack lets you continue using the AErovivo reusable frame and swap only the media. This refill approach helps simplify regular home HVAC maintenance and reduces the need to store bulky full-size replacement filters. | [Compact Refills for Routine Maintenance]: 4 compact refills are easy to store in a utility closet, drawer, garage or apartment storage area. Replace every 3090 days depending on dust level, pet hair, pollen season and HVAC usage. Designed only for AErovivo compatible reusable frames; not intended for use as a standalone air filter.