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FurnaceFilterPro.com offers one of the largest selections of residential furnace filters available on the market today. We stock thousands of standard sizes in our York, PA fulfillment center. We will also custom cut any size filter you may need to fit in your HVAC system. All of the products we sell are 100% MADE IN AMERICA! We are adding new products daily!

Use the "find filter by size" and/or the "find filter by brand" drop down menu's at the top of the page to easily locate the products you are looking for.
Good
Filter
18" X 20" X 1"
MERV 8 Pleated Filter
Product #8-18201
XTREME+Plushicapback 20
Our standard capacity MERV 8 filters are the most affordable filtration choice that we offer at furnacefilterpro.com. Although being the most affordable choice, these filters easily outperform fiberglass throwaway filters (the see through ones) that are commonly sold at the big retail stores. In addition, these filters offer deeper pleats than most, which in general, result in longer filter life and more time between change outs. 100% synthetic media resists moisture and damage. Additionally, the self-supporting pleats offer uniform spacing which supports balanced loading. This maximizes the dust-holding capacity of the filter and promotes longer service life.
  • Achieves MERV 8 (per ASHRAE Standard 52.2-2007)
Price: $38.94
Price per filter: $6.49
Good
Filter
18" X 24" X 1"
MERV 8 Pleated Filter
Product #8-18241
XTREME+Plushicapback 21
Our standard capacity MERV 8 filters are the most affordable filtration choice that we offer at furnacefilterpro.com. Although being the most affordable choice, these filters easily outperform fiberglass throwaway filters (the see through ones) that are commonly sold at the big retail stores. In addition, these filters offer deeper pleats than most, which in general, result in longer filter life and more time between change outs. 100% synthetic media resists moisture and damage. Additionally, the self-supporting pleats offer uniform spacing which supports balanced loading. This maximizes the dust-holding capacity of the filter and promotes longer service life.
  • Achieves MERV 8 (per ASHRAE Standard 52.2-2007)
Price: $38.94
Price per filter: $6.49
Good
Filter
18" X 25" X 1"
MERV 8 Pleated Filter
Product #8-18251
XTREME+Plushicapback 22
Our standard capacity MERV 8 filters are the most affordable filtration choice that we offer at furnacefilterpro.com. Although being the most affordable choice, these filters easily outperform fiberglass throwaway filters (the see through ones) that are commonly sold at the big retail stores. In addition, these filters offer deeper pleats than most, which in general, result in longer filter life and more time between change outs. 100% synthetic media resists moisture and damage. Additionally, the self-supporting pleats offer uniform spacing which supports balanced loading. This maximizes the dust-holding capacity of the filter and promotes longer service life.
  • Achieves MERV 8 (per ASHRAE Standard 52.2-2007)
Price: $38.94
Price per filter: $6.49
20" X 20" X 1"
MERV 8 Pleated Filter
Product #8-20201
XTREME+Plushicapback 23
Our standard capacity MERV 8 filters are the most affordable filtration choice that we offer at furnacefilterpro.com. Although being the most affordable choice, these filters easily outperform fiberglass throwaway filters (the see through ones) that are commonly sold at the big retail stores. In addition, these filters offer deeper pleats than most, which in general, result in longer filter life and more time between change outs. 100% synthetic media resists moisture and damage. Additionally, the self-supporting pleats offer uniform spacing which supports balanced loading. This maximizes the dust-holding capacity of the filter and promotes longer service life.
  • Achieves MERV 8 (per ASHRAE Standard 52.2-2007)
Price: $38.94
Price per filter: $6.49