aFe MagnumFLOW Pro DRY S Air Filter (21-91020) delivers cleanable, oil-free filtration with 4in flange and reusable media. Constructed with three layers of progressively finer synthetic mesh, this conical performance filter promotes excellent airflow while capturing fine particulates. The filter is fully washable and reusable, reducing maintenance cost over time. Its durable polyurethane top and base ensure a lasting, leak-free fit across multiple applications.
Key Features :
4" flange, 6" base, 4.5" inverted top, 6" height
Pro DRY S synthetic media is oil-free and washable
Designed for easy maintenance and long service life
Tall pleats improve dust-holding capacity
Polyurethane construction resists warping and cracking
Universal fitment for aftermarket intake systems
Integrated flange design improves sealing
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