Carbon Filter Replacement Pre-filter, Keep Your Grow Room Filter Clean & Free From Larger Dust Particles That Shorten Filter Life Spans, Washable & Supplied With Straps to Keep It Firmly On Your Filter

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Ensure the longevity and efficiency of your carbon filter with our replacement Progrow u nique dust attracting black pre-filter socks . Designed to capture larger dust particles and contaminants, this pre-filter protects your carbon filter, extending its life and maintaining optimal air quality. Please note your pre-filter should be washed periodically to maintain the filters life. Supplied with two easy-to-fit elastic pre-filter straps.