Shop

“Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)” has been added to your cart. View cart

-54%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 11 Allergen Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $216.24.Current price is: $98.49.
-40%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $76.36.Current price is: $45.82.
-41%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $108.18.Current price is: $63.98.
-40%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 (MPR 1900) Health Defense Replacement (3-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 11.50 x 19.50 x 3.63)

Original price was: $99.99.Current price is: $59.99.
-40%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (1-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $38.18.Current price is: $22.91.
-67%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $269.88.Current price is: $90.26.
-40%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $47.70.Current price is: $28.62.
-40%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $95.32.Current price is: $57.19.
-46%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (5-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $115.85.Current price is: $62.32.
-55%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Original price was: $135.00.Current price is: $60.64.
-58%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 11.50 x 19.50 x 3.63)

Original price was: $190.68.Current price is: $80.00.
-40%

Add to cart

Filterbuy 12x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (3-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 11.50 x 19.50 x 3.63)

Original price was: $50.52.Current price is: $30.31.

Filterbuy 12x20x4 Air Filter MERV 11 Allergen Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 13 (MPR 1900) Health Defense Replacement (3-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 11.50 x 19.50 x 3.63)

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (1-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (5-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 3.63 Inches)

Filterbuy 12x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (12-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 11.50 x 19.50 x 3.63)

Filterbuy 12x20x4 Air Filter MERV 8 (MPR 700) Dust Defense Replacement (3-Pack), Electrostatic Pleated HVAC AC Furnace Filters, Made in USA (Actual Size: 11.50 x 19.50 x 3.63)

Categories

Filter By

Product Tags

Shopping cart