: Made of polyester or cotton folds. These have more surface area, allowing them to trap more particles without instantly clogging.
Different materials offer varying levels of filtration and durability. what furnace filter to buy
: MERV 13 is excellent for asthma but should be checked for compatibility with your HVAC system’s airflow requirements. Expert Maintenance Tip : Made of polyester or cotton folds
The first step is checking your current filter for its (e.g., 20x25x1), which is printed on the side. : MERV 13 is excellent for asthma but
: The cheapest option, designed mainly to protect your furnace from large debris. They do very little for indoor air quality. LJ Rolls considers these "basic protection" only.
: MERV 11 is recommended for multi-pet homes or those with seasonal allergies, as it captures finer dander and pollen.
Your lifestyle dictates the intensity of filtration you need: