Aerostar 20x25x4 MERV 8 Pleated Air Filter, 4 Pack

These air filters offer a range of size options to cater to various HVAC system requirements. The available sizes include 20x20x1, 16x25x1, 20x25x1, 20x25x4, 12x12x1, and 16x20x1, all with a MERV 8 rating and sold in packs of 6.

Customers have overwhelmingly praised these filters, with an average rating of 4.7 out of 5 stars from 46,834 reviews. The pricing for the different sizes is as follows: $36.22 for the 20x20x1, $40.72 for the 16x25x1, $50.33 for the 20x25x1, $81.80 for the 20x25x4, $33.09 for the 12x12x1, and $45.71 for the 16x20x1.

These filters are compatible with both AC and furnace systems, making them a versatile choice. They have a thickness of 1 inch, except for the 20x25x4 filter, which is 4 inches thick. The actual sizes of the filters are slightly smaller than the nominal sizes, ranging from 11 3/4" x 11 3/4" x 3/4" for the 12x12x1 to 19 3/4" x 24 3/4" x 3/4" for the 20x25x1.

For optimal performance, it is recommended to replace these filters every 2 to 3 months, or more frequently during peak seasons. They are comparable to MPR 600 and FPR 5 filters, providing effective filtration of microscopic particles such as lint, dust mites, spores, and pollen.

The filters are made of 100% synthetic electrostatic media, which ensures high efficiency while maintaining low air flow resistance. This design choice makes them a cost-effective solution for improving indoor air quality and creating a healthier home environment.

product information: