Regular price
$201.12 USD
Price subject to change. Tap below for current.
The Filterbuy 21x21x5 air filter is designed to enhance your HVAC system's efficiency while promoting a healthier living environment. With an actual size of 20.63 in x 20.63 in x 4.38 in, these filters are perfect for your furnace, air conditioner, or heat pump. The whole house replacement filters ensure that your indoor air quality remains top-notch, making them an essential addition to your home.
One of the standout features of these filters is their MERV 13 performance. This rating means that they can capture up to 98% of dust, germs, and bacteria, providing you with peace of mind. The synthetic media used in these filters is comparable to MPR 1900 and FPR 10, ensuring that your air remains clean without restricting airflow.
Durability is another key aspect of the Filterbuy air filters. Made with electrostatically charged media, these filters have 11 pleats per foot, allowing them to trap more microscopic particles. They last three times longer than traditional fiberglass models, making them a cost-effective choice. For optimal performance, it is recommended to replace these filters every 90 days.
Installation is a breeze with the superior construction of these filters. They feature recyclable beverage board frames with dual wire backing, which significantly outperforms basic cardboard designs. This construction not only improves durability but also helps the filters resist extreme temperatures, ensuring they work effectively in various conditions.
These filters are compatible with several models, including Rheem and Ruud Filter Part Number PD540018, as well as Protech models 540012, 540018, and PD540012. Additionally, they fit housing part numbers RXFH-E21AM10 and RXFH-E21AM13, making them a versatile choice for many HVAC systems.
In summary, the Filterbuy 21x21x5 air filter MERV 13 is an excellent investment for anyone looking to improve their indoor air quality. With its high-performance filtration, lasting durability, and easy installation, it stands out as a top choice for homeowners and businesses alike. Don't compromise on air quality; choose these filters for a healthier environment.
