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Electro-Air 20X21X5 Air Filters

Actual Size: 20.75x20.63x5"

SALE - SAVE 10%
Electro-Air 20X21X5 MERV 8 Replacement Filter - 6 Quantity

3 month filters

1. Select Performance Level

2. Select Quantity

6 Electro-Air 20X21X5 Air Filters for $27.17 ea
Quantity Discount
1 forOriginal price $52.51, now$47.26 ea2 forOriginal price $32.81, now$29.53 eaSave 44%3 forOriginal price $31.24, now$28.12 eaSave 46%4 forOriginal price $30.71, now$27.64 eaSave 47%5 forOriginal price $30.45, now$27.41 eaSave 48%6+ forOriginal price $30.19, now$27.17 eaSave 48%
SALE - SAVE 10%Ends August 31, 2026
Fast & Free 3-Day Delivery
USA

Made in the USA

Ships in 24 hours

Electro-Air 20X21X5 Air Filters Air Filter Description

  • Available In MERV Rating: 8

  • Made in the USA

  • Ships in 24 hours

Quantity

Merv comparison

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MERV 8

MERV 8

Best for

Standard

Residential/Commercial

Healthy Families

Comparable ratingsMPR 600 & FPR 5
Filtration

Captures 90% of Airborne Particles

Dust, lint & debris
Mold, pollen
Dander, dust mites
Smoke & Smog
Bacteria
Odor, vocs

Is it time to change your filter?

Generally, we recommend you replace your air filters every 90 days. Find out below if you should change your filters more often.

If someone in your home has asthma or allergies...

If someone in your home has asthma or allergies...

Change your filter every

6 weeks

to ensure indoor air quality is at its best.

If you have pets...

If you have pets...

Change your filter every

2 months

to avoid shedding and odor buildup.

If you have young children...

If you have young children...

Change your filter every

2-3 months

as having clean air is even more important with children in your home.

    Best 20x21x5 Electro-Air Replacement Furnace & HVAC Air Conditioner Filters