AFB Gold MERV 11 13x21 5x1 Pleated AC Furnace Air Filter Pack of 4 Filters 100 produced in The USA

Description

In this case, the nominal size of this filter is 13x21. 5x1M11Apk4 Features: 13x21. Superior filter, perfect for pet owners. 5x1 while the actual size of the filter is 12 7/8 x 21 1/2 x 3/4". Filters pollen, dust, auto emmissions, and pet dander. Note that AFB filters come in AFB Bronze (Merv 6), AFB Silver (Merv 8), AFB Gold (Merv 11), and AFB Platinum (Merv 13). AirFilterBuy: Breathe Better! 5x1M11Apk4 Features: 13x21. The AFB Gold MERV 11 filter is designed to last 3 months, or 3 times the average fiberglass filter. 5x1 pleated ac furnair filters. AirFilterBuy: Breathe Better!.,Hardware > Tools,FilterBuy. Note the actual dimensions of this filter are 12 7/8 x 21 1/2 x 3/4". In this case, the nominal size of this filter is 13x21. Whenever you are choosing an air filter, make sure that you compare the nominal and actual size of the furnfilter that you are replacing. Model # AFB13x21. Generally, the nominal size is rounded and in bigger print while the actual size is in smaller print and in parenthesis to the side.

Key Features

• The AFB Gold MERV 11 filter is designed to last 3 months, or 3 times the average fiberglass filter.
• In this case, the nominal size of this filter is 13x21.
• 5x1M11Apk4 Features: 13x21.
• 5x1 pleated ac furnair filters.
• 5x1 while the actual size of the filter is 12 7/8 x 21 1/2 x 3/4".
• Note the actual dimensions of this filter are 12 7/8 x 21 1/2 x 3/4".