- $36.99Filtrete 10x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size9.81x19.81x0.81 in)Amazon
- SAVE $4.97$42.74$47.71Filtrete 20x30x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.81x29.81x0.81 in)Amazon
- $43.99Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x19.69x0.81 in)Amazon
- SAVE $5.92$41.79$47.71Filtrete 20x24x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.81x23.81x0.81 in)Amazon
- $39.95Filters Fast 12x20x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 11.75"x19.75x0.75, 6 PackAmazon
- $39.95Filters Fast 12x18x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 11.75"x17.75x0.75, 6 PackAmazon
- $42.95Filters Fast 14x20x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 13.75"x19.75”x0.75”, 6 PackAmazon
- $16.3 OFFDupont High Allergen Care Furnace Air Filters MERV 11 (4-Pack) Was: $56.26 Now: $39.96.Groupon・Sale
- $81.95Filters Fast 28x30x1 Air Filter MERV 11, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 27.5x29.5x0.75, 6 PackAmazon
- $81.95Filters Fast 18x20x1 Air Filter MERV 11, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 17.75x19.75x0.75, 6 PackAmazon
- $59.95Filters Fast 20x20x1 Air Filter, Merv 13, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 19.75"x19.75"x0.75, 6 PackAmazon
- $45.95Filters Fast 18x20x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 17.75"x19.75”x0.75”, 6 PackAmazon
- SAVE $12.50$104.79$117.29Air King 9723 20-Inch 3-Speed Box Fan, White & Aerostar 20x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")Amazon
- $45.72Filtrete 16x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size15.69x24.69x0.81 in)Amazon
- $67.95Filters Fast 7.5x7.5x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 7.5x7.5x0.75, 6 PackAmazon
- $12.3 OFFDupont High Allergen Care Furnace Air Filters MERV 11 (4-Pack) Was: $56.26 Now: $43.96Groupon・Sale
- $38.9820 x 25 x 4 Pleated Furnace Air Filter FPR 10, MERV 12The Home Depot
- $49.96Filter King 25x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated AC Furnace Filter | Actual Size 24.5 x 31.5 x .75"Amazon
- $86.19Filter King 13x21x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 21 x .75"Amazon
- $150.33Filter King 8x24x1 Air Filter | 12-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 24 x .75"Amazon
- $170.03Filter King 30x36x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 29.5 x 35.5x .75"Amazon
- $50.36Filter King 14x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 6 x .75"Amazon
- $71.36Filter King 19x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35 x .75"Amazon
- $11.54 OFFPurafilter Gold High-Efficiency Furnace Air Filters MERV 11 4-Pack Was: $47.50 Now: $35.96.Groupon・Sale
- $49.96Filter King 20x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 23 x .75"Amazon
- $86.19Filter King 10x14x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 14 x .75"Amazon
- $54.56Filter King 19x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24 x .75"Amazon
- $72.18Filter King 12x12x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 12 x .75"Amazon
- $49.96Filter King 21x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 21 x .75"Amazon
- $50.36Filter King 11x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11 x 7 x .75"Amazon
- $58.76Filter King 21x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 28 x .75"Amazon
- $11.54 OFFPurafilter Gold High-Efficiency Furnace Air Filters MERV 11 (4-Pack) Was: $47.50 Now: $35.96.Groupon・Sale
- $50.36Filter King 7x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7 x 11 x .75"Amazon
- $176.37Filter King 24x28x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 28 x .75"Amazon
- $50.36Filter King 8x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 28 x .75"Amazon
- $50.36Filter King 14x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 19 x .75"Amazon
- $54.56Filter King 18x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 23 x .75"Amazon
- $65.19Filter King 14x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x .75"Amazon
- $153.36Filter King 10x36x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 10 x 36 x .75"Amazon
- $7.54 OFFPurafilter Gold High-Efficiency Furnace Air Filters MERV 11 (4-Pack) Was: $47.50 Now: $39.96.Groupon・Sale
- $54.94Filter King 20x21x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21 x .75"Amazon
- $65.19Filter King 10x24x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 24 x .75"Amazon
- $44.96Filter King 17x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 21 x .75"Amazon
- $85.75Filter King 16x21x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 21 x .75"Amazon
- $64.08Filter King 21x23x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75"Amazon
- $39.50Filter King 16x25x4 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x 3.75"Amazon
- $92.36Filter King 20x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44 x .75"Amazon
- SALEUBeesize 14x20x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8, Washable, Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:13.5x19.5x0.86 Inch)Amazon・Sale
- $50.36Filter King 10x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 10 x .75"Amazon
- $54.56Filter King 17x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 24 x .75"Amazon
- $58.76Filter King 19x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 29 x .75"Amazon
- $50.36Filter King 13x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 22 x .75"Amazon
- $58.76Filter King 19x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28 x .75"Amazon
- $39.96Filter King 6x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 14 x .75"…Amazon
- $165.62Filter King 24x28x1 Air Filter | 12-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 28 x .75"Amazon
- SALESave on Demiwise 16x25x1 Electrostatic Air Filter, MERV 8 Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office Environment and moreAmazon・Sale
- $95.98Filter King 22x22x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 22 x 22 x .75"Amazon
- $55.53Filter King 10x18x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 10 x 18 x .75"Amazon
- $150.33Filter King 14x18x1 Air Filter | 12-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x .75"Amazon
- $85.75Filter King 22x22x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75"Amazon