![I went to Lowes to replace my furnace filter, but just realized the size I need. Called an hvac guy and he says they're about $40 each at this size. WTH?! : I went to Lowes to replace my furnace filter, but just realized the size I need. Called an hvac guy and he says they're about $40 each at this size. WTH?! :](https://i.redd.it/kzg046bh4sp31.jpg)
I went to Lowes to replace my furnace filter, but just realized the size I need. Called an hvac guy and he says they're about $40 each at this size. WTH?! :
![K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/c5db9686-7736-4570-a7d5-b9481c9c143d/44120189.jpg)
K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com
![K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/85b688c3-9f1a-46f6-ad46-061d2904bd3f/44570766.jpg)
K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com
![K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/94fd7ab3-490c-463c-864b-2e7f45fa254e/44570772.jpg?size=pdhism)
K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com
![Filtrete 14-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 14-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/293269e5-7b5e-4bae-ab9e-cda80e0c2b8f/11126646.jpg)
Filtrete 14-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Glasfloss ZL 20x24x1 MERV 10 Air Filters for AC and Furnace. 3 PACK. Actual Size: 19-3/8 x 23-3/8 x 7/8 - Amazon.com Glasfloss ZL 20x24x1 MERV 10 Air Filters for AC and Furnace. 3 PACK. Actual Size: 19-3/8 x 23-3/8 x 7/8 - Amazon.com](https://m.media-amazon.com/images/I/71724vhXp7L._AC_UF894,1000_QL80_.jpg)
Glasfloss ZL 20x24x1 MERV 10 Air Filters for AC and Furnace. 3 PACK. Actual Size: 19-3/8 x 23-3/8 x 7/8 - Amazon.com
![Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/562afe61-be57-49a4-8d80-35fd493b15f0/61303975.jpg)
Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
![Filtrete 20-in W x 24-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/71821417-2562-469a-b9f9-05d56bd0ef39/62679230.jpg)
Filtrete 20-in W x 24-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Rensa, Merv 11 Furnace Air Filter, HVAC Filter, Durable Beverage Board, 20x24x1, 6-pack, Made in USA, Traps Airborne Contaminants, Easy Installation, UL 900 Approved: Amazon.com: Industrial & Scientific Rensa, Merv 11 Furnace Air Filter, HVAC Filter, Durable Beverage Board, 20x24x1, 6-pack, Made in USA, Traps Airborne Contaminants, Easy Installation, UL 900 Approved: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81DerlxCEhL._AC_UF894,1000_QL80_.jpg)
Rensa, Merv 11 Furnace Air Filter, HVAC Filter, Durable Beverage Board, 20x24x1, 6-pack, Made in USA, Traps Airborne Contaminants, Easy Installation, UL 900 Approved: Amazon.com: Industrial & Scientific
![Filtrete 20-in W x 24-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/31f3f544-e9f9-453b-8d29-0ec25ecb2fcc/63647184.jpg)
Filtrete 20-in W x 24-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Amazon.com: Filtrete 20x24x1 Air Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters : Everything Else Amazon.com: Filtrete 20x24x1 Air Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters : Everything Else](https://m.media-amazon.com/images/I/7152K9jReWL.jpg)
Amazon.com: Filtrete 20x24x1 Air Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters : Everything Else
![Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/9c0ef8bf-424b-4b64-a139-18099238817d/16198584.jpg)
Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
![K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/5afd7fd5-c8d7-4218-bade-b6bb21776db3/44570769.jpg)
K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com
![Filters Fast 20x24x1 Air Filter Merv 13, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 19.75" x 23.75" x 0.75”, 6 Pack - Amazon.com Filters Fast 20x24x1 Air Filter Merv 13, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 19.75" x 23.75" x 0.75”, 6 Pack - Amazon.com](https://m.media-amazon.com/images/I/719dFXVIdUS._AC_UF894,1000_QL80_.jpg)
Filters Fast 20x24x1 Air Filter Merv 13, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 19.75" x 23.75" x 0.75”, 6 Pack - Amazon.com
![Filtrete 20-in W x 24-in L x 1-in MERV 12 1500 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 12 1500 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/53c99656-f28e-461b-b5fa-7bd8a00b12f2/16423019.jpg)
Filtrete 20-in W x 24-in L x 1-in MERV 12 1500 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/dd3cf016-2235-4051-bc81-56ffe1a69c9e/05222022.jpg)
Filtrete 20-in W x 24-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
![Filtrete 20x24x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com Filtrete 20x24x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com](https://m.media-amazon.com/images/I/714YAli6daL._AC_UF350,350_QL80_.jpg)
Filtrete 20x24x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com
![Rensa, Merv 11 Furnace Air Filter, HVAC Filter, Durable Beverage Board, 20x24x1, 6-pack, Made in USA, Traps Airborne Contaminants, Easy Installation, UL 900 Approved: Amazon.com: Industrial & Scientific Rensa, Merv 11 Furnace Air Filter, HVAC Filter, Durable Beverage Board, 20x24x1, 6-pack, Made in USA, Traps Airborne Contaminants, Easy Installation, UL 900 Approved: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71ibuGT-J-S.jpg)
Rensa, Merv 11 Furnace Air Filter, HVAC Filter, Durable Beverage Board, 20x24x1, 6-pack, Made in USA, Traps Airborne Contaminants, Easy Installation, UL 900 Approved: Amazon.com: Industrial & Scientific
![Filtrete 20x24x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com Filtrete 20x24x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com](https://m.media-amazon.com/images/I/81nfJOmZjSL.jpg)
Filtrete 20x24x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com
![Filtrete 20-in W x 24-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 24-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/5b3d6582-3d45-454e-9fc3-a97accf14263/62679235.jpg?size=pdhism)
Filtrete 20-in W x 24-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Amazon.com: Filtrete 20x24x1 Air Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters : Everything Else Amazon.com: Filtrete 20x24x1 Air Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters : Everything Else](https://m.media-amazon.com/images/I/91IbBleFOnL._SY350_PKmb-play-button-overlay_.png)