Description
This 20″ × 20″ × 1″ listing (part number 84857.012020) of the AAF Flanders PrePleat HV (High Velocity) pleated air filter delivers MERV 8 filtration and ships as a case of 4 filters.
MERV 8 — standard efficiency
MERV 8 is the baseline for good residential and light commercial filtration: effective against household dust, lint, larger pollens, and dust-mite debris — with low pressure drop so it protects airflow and coil performance. It’s the right choice when system protection and clean returns are the goal, not allergen-level filtration.
Design and construction
- Media: High-velocity-rated pleated media engineered for sustained air velocities above standard HVAC (up to 625 FPM).
- Frame: Reinforced frame with heavy-gauge media support for high-velocity applications. Stands up to vibration and turbulence.
- Max operating temperature: 200°F (93°C)
Where it fits
Gas-turbine inlet air, high-velocity commercial air handlers, and industrial applications where face velocity exceeds standard HVAC ranges.
Replacement schedule
At 1″ depth, plan to replace this filter every 60–90 days under typical residential or light commercial loading. High-dust environments, pet homes, wildfire smoke events, or construction-adjacent sites will shorten that window. Check the filter monthly through the first cycle to calibrate your schedule.
Also worth considering
Shopping on price? Our house brand PrimeShield Essential (MERV 8) covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.
Questions on fit, quantity, or a commercial quote?
Need a size that isn’t listed, a different pack count, or a quote for a commercial order? Get in touch — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.
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