[S&S] $33.63: Aerostar 16.375x21.5x1 MERV 8 Air Filter, 6 Count

Quick Take

Six filters at this size runs about $5.60 per unit, which is middle-of-the-road for Aerostar's MERV 8 baseline filtration. MERV 8 handles dust and pollen adequately but won't catch smaller particles like mold spores or pet dander—a reasonable tradeoff if your HVAC system can't handle higher ratings or you just need seasonal refresh. At this price you're not overpaying for bulk, though you'll find similar six-packs fluctuating between $28 and $38 depending on the retailer and timing. Check your furnace manual for exact dimension compatibility; the actual size listed (16.50 x 21.50 x 0.75) can vary slightly from the nominal measurement.

Description

Amazon [amazon.com] has *Aerostar 16.375x21.5x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (16.50 x 21.50 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5),...

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