venmar pleated prefilter Size:12" x 24" x 2" Made of galvanized steel Size:14" x 24" x 1" Made of galvanized steel The high efficiency HEPA replacement filter (for Venmar HEPA 3100 and HRV2600 units) ranks among the best on the market It traps large particulate before it enters the HEPA core Pleated media prefilter for Enerzone HEPA air cleaners
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