When it comes to improving air quality in your home, a 4-inch filter is the way to go. With a higher range of MERV ratings, up to 16, you can control supermicro contaminants such as bacteria, viruses and dust particles. The reason media filters work better is because they have more surface area. These 4-inch media filters can have 20-30 feet of pleated filter material, trapping more debris without clogging up as quickly.
The 20x25x4 air filter is a larger oven than other oven filters, with a thickness of four inches that offers a larger surface area to capture more particles and germs from the airflow. It works better and lasts longer than other cheaper disposable air filters, so homeowners don't need to change 20x25x4 air filters as often. If you put together several 1-inch filters, it's similar to putting together 5 coffee filters and trying to brew a cup of coffee - it just doesn't work. However, with most HVAC systems, you should be able to adapt a media filter cabinet, either under the oven or on the side.
A 1-inch air filter may need to be changed every month, while a 4-inch air filter can last up to six months. So, if it fits your oven, then a 4-inch air cleaner is better than a 1-inch air cleaner when it comes to improving air quality. We measure how well an air filter removes dust, pollen and smoke from the air, and we see how freely air flows through the filter at any fan speed. Reducing the thickness by one inch shouldn't be a big deal; for example, you should be able to use a 4-inch filter instead of a 5-inch filter.
If you have an oven in the house, the clogged filter may bother you every 2 to 6 months and request a new replacement. Ovens come in a variety of sizes and configurations, which means there's no one-size-fits-all filter. Thicker oven filters, known as media filters, almost always perform better than cheaper one-inch filters. Like length and width, thickness is an important part of sizing the oven filter and getting the right fit to optimize performance.
Your HVAC technician can provide you with a new filter compartment or modify the existing one to accommodate the thicker filter. For comparison, a 4-inch thick filter will have approximately twice as many surface areas as a 2-inch thick filter. So when it comes to improving air quality in your home, investing in a 4-inch filter is worth it for its longer lasting performance and better protection against airborne contaminants.
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