Introducing the Filtrete 20 in. W x 25 in. H x 4 in. Pleated Allergen Air Filter, a high‑efficiency solution designed to elevate indoor air quality in homes and small workplaces. With a thick 4-inch profile and a powerful 1000 MPR rating, this filter is built to tackle a broad spectrum of common irritants that travelers, pets, and everyday life bring indoors.
Why this Filtrete filter stands out
-
1000 MPR filtration delivers enhanced capture of microscopic particles far beyond standard filters, supporting a fresher, cleaner breathing space.
-
Electrostatic, pleated design combines a larger surface area with static attraction to trap particles like bacteria, pollen, smoke, and viruses more effectively than basic flat filters.
-
Allergen-targeted performance specifically addresses common indoor irritants, making it a solid choice for allergy sufferers and households with pets or urban exposure.
-
Sturdy cardboard frame provides reliable support and a snug seal within compatible filter slots.
-
Single-pack convenience ready for immediate installation with no trimming required.
-
Precise sizing actual size 19-7/8 in. x 24-5/9 in. x 4-1/3 in., fits most 20x25x4 systems while clearly labeled for correct replacement.
-
Whole‑home filtration targets dust, lint, mold spores, and airborne pollutants, contributing to a healthier living environment.
What it protects against
This filter is engineered to help reduce a range of airborne irritants, including:
- Bacteria
- Pollen
- Dust and lint
- Mold spores
- Smoke
- Viruses
Ideal for who and where
- Homes with allergy or asthma concerns seeking clearer air during sleep and daily activity
- Pet-friendly households needing to minimize pet dander in the air
- Urban environments where indoor air quality is challenged by pollution or smoke
- Small offices or workspaces looking for reliable, filter-based air filtration
Quick tips for optimal performance
- Verify your HVAC slot size matches 20x25x4 before installation; this unit is non‑trim adjustable to preserve filtration integrity.
- Insert the filter so the airflow arrows (if present) point in the direction of airflow in your system.
- Replace according to your HVAC manufacturer's guidelines or when you notice reduced airflow, ensuring consistent filtration of submicron particles.