41-60 of 16,696 results
  • Filter King 20.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37.5 x .75
    Filter King 20.5x37.5x1 Air Fi...
    Filter King Merv 8 20.5x37.5x1 4-Pack Air Filter actual size is 20.5x37.5x1.75... Filter King Merv 8 20.5x37.5x1 4-Pack Air Filter actual size is 20.5x37.5x1.75. Our 20.5x37.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $71.36 Free Delivery Go to store
  • Filter King 20.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 34.5 x .75
    Filter King 20.5x34.5x1 Air Fi...
    Filter King Merv 8 20.5x34.5x1 4-Pack Air Filter actual size is 20.5x34.5x1.75... Filter King Merv 8 20.5x34.5x1 4-Pack Air Filter actual size is 20.5x34.5x1.75. Our 20.5x34.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $71.36 Free Delivery Go to store
  • Filter King 21x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75
    Filter King 21x21x1 Air Filter...
    Filter King Merv 8 21x21x1 3-Pack Air Filter actual size is 20.5x20.5x.75. Our... Filter King Merv 8 21x21x1 3-Pack Air Filter actual size is 20.5x20.5x.75. Our 21x21x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems.... more
    Details
    $38.71 Free Delivery Go to store
  • Filter King 20.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 19.5 x .75
    Filter King 20.5x19.5x1 Air Fi...
    Filter King Merv 8 20.5x19.5x1 4-Pack Air Filter actual size is 20.5x19.5x1.75... Filter King Merv 8 20.5x19.5x1 4-Pack Air Filter actual size is 20.5x19.5x1.75. Our 20.5x19.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $54.56 Free Delivery Go to store
  • Filter King 20.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 25.5 x .75
    Filter King 20.5x25.5x1 Air Fi...
    Filter King Merv 8 20.5x25.5x1 4-Pack Air Filter actual size is 20.5x25.5x1.75... Filter King Merv 8 20.5x25.5x1 4-Pack Air Filter actual size is 20.5x25.5x1.75. Our 20.5x25.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $58.76 Free Delivery Go to store
  • Filter King 20.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 50.5 x .75
    Filter King 20.5x50.5x1 Air Fi...
    Filter King Merv 8 20.5x50.5x1 4-Pack Air Filter actual size is 20.5x50.5x1.75... Filter King Merv 8 20.5x50.5x1 4-Pack Air Filter actual size is 20.5x50.5x1.75. Our 20.5x50.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $113.36 Free Delivery Go to store
  • Filter King 20.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51.5 x .75
    Filter King 20.5x51.5x1 Air Fi...
    Filter King Merv 8 20.5x51.5x1 4-Pack Air Filter actual size is 20.5x51.5x1.75... Filter King Merv 8 20.5x51.5x1 4-Pack Air Filter actual size is 20.5x51.5x1.75. Our 20.5x51.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $113.36 Free Delivery Go to store
  • Filter King 21x21x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75
    Filter King 21x21x1 Air Filter...
    Our Furnace Filters are designed to last up to 90 days. These pleated 1 and 2-... Our Furnace Filters are designed to last up to 90 days. These pleated 1 and 2-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems. Make sure you measure your filter. more
    Details
    $99.24 Free Delivery Go to store
  • Filter King 20.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75
    Filter King 20.5x21.5x1 Air Fi...
    Filter King Merv 8 20.5x21.5x1 4-Pack Air Filter actual size is 20.5x21.5x1.75... Filter King Merv 8 20.5x21.5x1 4-Pack Air Filter actual size is 20.5x21.5x1.75. Our 20.5x21.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $54.56 Free Delivery Go to store
  • Filter King 20.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75
    Filter King 20.5x21.5x1 Air Fi...
    Filter King Merv 8 20.5x21.5x1 4-Pack Air Filter actual size is 20.5x21.5x.75.... Filter King Merv 8 20.5x21.5x1 4-Pack Air Filter actual size is 20.5x21.5x.75. Our 20.5x21.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $49.99 Free Delivery Go to store
  • Filter King 20.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 27.5 x .75
    Filter King 20.5x27.5x1 Air Fi...
    Filter King Merv 8 20.5x27.5x1 4-Pack Air Filter actual size is 20.5x27.5x1.75... Filter King Merv 8 20.5x27.5x1 4-Pack Air Filter actual size is 20.5x27.5x1.75. Our 20.5x27.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $58.76 Free Delivery Go to store
  • Filter King 20.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17.5 x .75
    Filter King 20.5x17.5x1 Air Fi...
    Filter King Merv 8 20.5x17.5x1 4-Pack Air Filter actual size is 20.5x17.5x1.75... Filter King Merv 8 20.5x17.5x1 4-Pack Air Filter actual size is 20.5x17.5x1.75. Our 20.5x17.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $50.36 Free Delivery Go to store
  • Filter King 21x21x1 Air Filter | 12-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75
    Filter King 21x21x1 Air Filter...
    Filter King Merv 13 21x21x1 12-Pack Air Filter actual size is 20.5x20.5x.75. O... Filter King Merv 13 21x21x1 12-Pack Air Filter actual size is 20.5x20.5x.75. Our 21x21x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems.... more
    Details
    $175.53 Free Delivery Go to store
  • Filter King 20.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 46.5 x .75
    Filter King 20.5x46.5x1 Air Fi...
    Filter King Merv 8 20.5x46.5x1 4-Pack Air Filter actual size is 20.5x46.5x1.75... Filter King Merv 8 20.5x46.5x1 4-Pack Air Filter actual size is 20.5x46.5x1.75. Our 20.5x46.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $92.36 Free Delivery Go to store
  • Filter King 20.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 30.5 x .75
    Filter King 20.5x30.5x1 Air Fi...
    Filter King Merv 8 20.5x30.5x1 4-Pack Air Filter actual size is 20.5x30.5x1.75... Filter King Merv 8 20.5x30.5x1 4-Pack Air Filter actual size is 20.5x30.5x1.75. Our 20.5x30.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $71.36 Free Delivery Go to store
  • Filter King 20.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63.5 x .75
    Filter King 20.5x63.5x1 Air Fi...
    Filter King Merv 8 20.5x63.5x1 4-Pack Air Filter actual size is 20.5x63.5x1.75... Filter King Merv 8 20.5x63.5x1 4-Pack Air Filter actual size is 20.5x63.5x1.75. Our 20.5x63.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $138.56 Free Delivery Go to store
  • Filter King 20.5x21.5x1a Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75
    Filter King 20.5x21.5x1a Air F...
    Filter King Merv 8 20.5x21.5x1a 3-Pack Air Filter actual size is 20.5x21.5x.75... Filter King Merv 8 20.5x21.5x1a 3-Pack Air Filter actual size is 20.5x21.5x.75. Our 20.5x21.5x1a Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $42.49 Free Delivery Go to store
  • Filter King 21x21x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x 1.75
    Filter King 21x21x2 Air Filter...
    Filter King Merv 8 21x21x2 4-Pack Air Filter actual size is 20.5x20.5x1.75. Ou... Filter King Merv 8 21x21x2 4-Pack Air Filter actual size is 20.5x20.5x1.75. Our 21x21x2 Furnace Filters are designed to last up to 90 days. These pleated 2-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems.... more
    Details
    $74.40 Free Delivery Go to store
  • Filter King 20.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4.5 x .75
    Filter King 20.5x4.5x1 Air Fil...
    Filter King Merv 8 20.5x4.5x1 4-Pack Air Filter actual size is 20.5x4.5x1.75. ... Filter King Merv 8 20.5x4.5x1 4-Pack Air Filter actual size is 20.5x4.5x1.75. Our 20.5x4.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $50.36 Free Delivery Go to store
  • Filter King 20.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66.5 x .75
    Filter King 20.5x66.5x1 Air Fi...
    Filter King Merv 8 20.5x66.5x1 4-Pack Air Filter actual size is 20.5x66.5x1.75... Filter King Merv 8 20.5x66.5x1 4-Pack Air Filter actual size is 20.5x66.5x1.75. Our 20.5x66.5x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling... more
    Details
    $138.56 Free Delivery Go to store
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