Filterbuy 21x23.5x5 MERV 11 Pleated Filter
Price tier: Mid-Range
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Air filter for furnace/AC with MERV 11 performance; protects allergen and pet dander. Customers note perfect fit and good value
Highlights
- MERV 11 allergen defense
- Perfect fit claim
- Pet/dander and dust filtration
Pros
- MERV 11 synthetic media
- Fits 21x23.5x5 (actual 20.00 x 23.09 x 4.97)
- Good value for money
- Effective at filtering dust and pet hair
- Lasts a while
Cons
- Actual size differs from nominal
- Only 1-pack listed
- Price may be high for single filter
Best For
Features
- WHOLE HOUSE REPLACEMENT 21x23. 5x5 air filters for your furnace
- air conditioner
- or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size 20. 00" x 23. 09" x 4. 97")
- 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
- LASTING FILTRATION Electrostatically charged media (made in the USA) with 8 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for best results)
- SUPERIOR CONSTRUCTION Easy installation beverage board (recyclable) frames with dual wire backing outperform basic cardboard designs by improving durability and resisting extreme temperatures
