EXTRACT-ALL RF-400-1 Air Cleaner Filter, 20x20x4", MERV 8

" Air Cleaner Filter, 20x20x4 Nominal Filter Size, Nominal Height 20 in, Nominal Width 20 in, Nominal Depth 4 in, For Use With Mfr. No. SP-400, SP-400-DD, SP-800, MERV 8, Frame Included Yes, Filter Efficiency 40 to 45 Percent, Media Area 18.5 sq ft, Standards UL Features Nominal Filter Size: 20 x 20 x 4 MERV: 8 Nominal Height: 20 in Nominal Width: 20 in Nominal Depth: 4 in For Use With: Mfr. No. SP-400, SP-400-DD Item: Air Cleaner Filter Frame Included: Yes Standards: UL Media Area: 18.5 sq ft Filter Efficiency: 40 to 45% "

Item Type: Air Cleaner Filter Brand: EXTRACT-ALL Manufacturer Part Number: RF-400-1