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

Description

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

Key Features

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