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Pre (Box ) Pre Bag (Flange) 'Navdha Cooling System' standard Pre Filters are high loft (high dust holding capacity) non woven synthetic media filters and are available both in G3 and G4 (EU - 3 and EU - 4) categories. Media is sealed to frame with sealant. Frames are available in Al. / SS / GI or MS / GI powder coated finish. Both box type and flange type constructions are standard. Fire retardant media filters also available.All filters meet Ashrae 52.2 and EN 779 specifications. |
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