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Best Seller | The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 13... ... more | $118.24 $59.59 FREE shipping go to store |
| FRIEDRICH KMFS3PK Electrostatic Polypropylene Room Air Conditioner MERV 13 Pleated Air Filter, Performance Rating MERV 13, Air Filter Capacity High Capacity, Media Material Electrostatic Polypropylene, Frame or Header Material Pulp-based Paperboard, For Use With (Systems) Friedrich Models, Air Flow @ 300 fpm 141 cfm, Nominal... ... more | go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 13... ... more | $96.24 $50.77 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $263.74 $121.21 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $139.40 $68.05 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 11... ... more | $83.89 $46.58 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 11... ... more | $47.22 $30.38 go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 8... ... more | $38.83 $28.18 go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 8... ... more | $60.02 $42.84 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 8... ... more | $48.95 $35.72 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 11... ... more | $65.12 $37.42 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $120.63 $62.98 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $148.66 $99.61 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 11... ... more | $225.55 $111.07 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $81.69 $57.26 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. Odor... ... more | $126.45 $61.84 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 11... ... more | $102.66 $55.37 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. Odor... ... more | $183.13 $86.38 FREE shipping go to store |
| The Filterbuy replacement air filter 18x20x1 (actual measurements: 17.50" x 19.5" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $72.83 $50.60 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x25x3 (actual measurements: 15.63" x 24.13" x 2.94") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $93.60 $67.61 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x20x5 (actual measurements: 19.63" x 20.63" x 4.88") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and... ... more | $90.27 $53.13 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x26x5 (actual measurements: 20.00" x 25.88" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $140.01 $101.60 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x25x5 (actual measurements: 19.63" x 24.13" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $98.80 $70.08 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x25x5 (actual measurements: 15.63" x 24.13" x 4.88") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and... ... more | $116.49 $85.36 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x25x5 (actual measurements: 15.63" x 24.13" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $220.26 $156.55 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x26x5 (actual measurements: 16" x 25.75" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.... ... more | $256.04 $196.95 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x26x5 (actual measurements: 20.00" x 25.88" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $314.90 $276.08 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x20x5 (actual measurements: 19.63" x 20.63" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $97.76 $70.94 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x25x5 (actual measurements: 19.63" x 24.13" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $185.45 $137.16 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x25x3 (actual measurements: 15.63" x 24.13" x 2.94") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $174.90 $121.59 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x25x5 (actual measurements: 19.63" x 24.13" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $79.07 $55.74 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x26x5 (actual measurements: 16" x 25.75" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.... ... more | $114.60 $62.61 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 16x26x5 (actual measurements: 16" x 25.75" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.... ... more | $136.70 $99.20 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x26x5 (actual measurements: 20.00" x 25.88" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $167.45 $142.81 FREE shipping go to store |
| The Filterbuy replacement whole house air filter 20x20x5 (actual measurements: 19.63" x 20.63" x 4.88") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy... ... more | $183.50 $133.16 FREE shipping go to store |
| The Filterbuy replacement air filter 13x21.5x1 (actual measurements: 12.88" x 21.50" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV... ... more | $114.58 $59.55 FREE shipping go to store |
| The Filterbuy replacement air filter 13x21.5x1 (actual measurements: 12.88" x 21.50" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV... ... more | $252.34 $122.92 FREE shipping go to store |
Ads related to Filterbuy 18x20x1 Air Filter MERV 13, Pleated HVAC AC Furnace Filters Replacement in Gray | 18 H x 20 W x 1 D in | Wayfair AFB18x20x1M13pk2