This kit includes two (2) MERV 8 pleated pre-filters and two (2) activated carbon filters.    These would be considered the "Stage 1"  and "Stage 2" filters in these systems. Stage 1 and 2, filters should be replaced every three to six months or when needed..

Features:

• Affordable alternative to expensive factory original pre filter set
• Nominal size for pleated pre-filter - 13 1/2" x 16" x 1" (actual size 13 1/2 X 16" X 3/4")
• Nominal size for carbon filter - 15" X 16" X 7/8"
• Replacing Fantech Kit # RPFH1315
• Fits DM3000P (Duct Mount) HEPA filtration system
• Fits CM3000 (Collar Mount) HEPA filtration system

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