Lamons 20x30x1x3 XP4 20"x30x1" Xtreme Plus Air Guard Pleat Furnace Filter MERV 8 (3 Pack)

20"x30"x1" Xtreme Plus Air Guard Pleat Furnace Filter MERV 8 (3 Pack) Distributed by Sterling Seal & Supply is a standard capacity pleat filter, available in 1", 2" or 4" depths and several standard face sizes to accommodate most system requirements. {Size} When looking to replace your air filter, there are typically two different sizes you need to understand, "Actual size and Nominal size". The Actual Size consists of the true dimensions of your filter when measuring length, width and Depth (thickness). For example: 9 1/2 x 9 1/2 x 3/4. with a "Nominal Size" of "10 x 10 x 1". {Preformance} Check your air filters every month heating and cooling can account for more than 50 percent of your home energy use. By cleaning or replacing air filters regularly very one month can improve the performance of your system and reduce energy costs. Save up to $125 per year!!! A dirty air filter makes your heating and air-conditioning systems work harder with dirty ducts and blocked up filters.