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Prefilter, foam 3-1 / 2" x 8" (blue) 50 ppi Product Code: UIPF3128 Foam Prefilter for Air Filter Size..... 3-1/2" x 8" PPI..... 50 Color..... Blue **PPI stands for Pores Per Inch
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🇺🇸 Ship from USA · On Agora since 2026
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