Filterbuy 18x30x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack
Filterbuy 18x30x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack
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Filterbuy 18x30x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack

Key item features

  • UNIVERSAL COMPATIBILITY: 18x30x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 17.75" x 29.75" x 0.75")
  • MERV 11 PERFORMANCE: Protect your home or business from allergens, pets, and more with MERV 11 synthetic media (comparable with MPR 1200 & FPR 7) that captures 95% of dust without restricting air flow
  • LONG-LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance)
  • SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
  • MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes
Current price is $138.96
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  • Free shipping
  • Free 30-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $138.96
One-time purchase $138.96

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4.589421252371917 stars out of 5, based on 4216 seller reviews(4.6)
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4.7 out of 5 stars
stars122 ratings45 reviews
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Showing 1-3 of 45 reviews

Jul 30, 2025
Vic H.
5 out of 5 stars review

Very convenient. Odd size filter

Very convenient. Odd size filter sometimes hard to find locally. Good quality and fair value. Well pleased

Review from Filterbuy
Helpful?2P7RU7HKODDK130034441
Feb 3, 2021
Walmart customer
5 out of 5 stars review

Found the right size.

We finally found our size filter that is not a crazy price. It is nice Filter Buy offers automatic reorder as often as you want.

Review from Filterbuy
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Dec 17, 2024
John W.
4 out of 5 stars review

Received my order but it

Received my order but it required a followup email. First order was changed but never sent. It was quickly taken care of.

Review from filterbuy.com
Helpful?2P7RU7HKODDK130034441