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24×12 Extended Surface Prefilter – MERV 8, DuraGlove, Koch 111-599-006
$542.16 per 12 pcs ($45.18 each) -
24×24 Extended Surface Prefilter – MERV 8, DuraGlove, Koch 111-599-004
$329.16 per 6 pcs ($54.86 each) -
24×20 Extended Surface Prefilter – MERV 8, DuraGlove, Koch 111-599-005
$297.48 per 6 pcs ($49.58 each)