2 Guardian Compatible HONGFA repl. Filters And Pre-filters. HEPA

2 sets Hongfa Replacement HEPA filters and Carbon pre- filters for air purifiers. Unknown model number but appears to be Filter C based on measurements. Filter C is compatible with Guardian FLT5250PT Filter C, AC5000, AC5000E,I AC5250PT, AC5350B, AC5350BCA, AC5350W, AC5300B, BXAP250, IAP-GG-125 Series Air Purifiers. Please measure your existing filters for accurate fit. New, never used. Box is in rough shape but filters are clean. See photos for condition. MSRP: $48.58.