Aerostar 16 38x21 12x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 12 Pack Actual Size: 16 38" x 21 12" x 34"

The Aerostar 16 38x21 12x1 MERV 13 Pleated Air Filter is a good quality air filter that is hard to find in this specific size. Customers have expressed difficulty finding this size filter elsewhere, making this product a great solution. It is also noted to be reasonably priced and offer great value for the MERV 13 rating. Some customers have noted that the filters are too flimsy and were sucked into their AC unit. However, this feedback is limited and outweighed by the positive comments. Overall, this product seems to be a great solution for those looking for a hard-to-find air filter size with high quality and reasonable pricing.