40 EA FILTER, HVAC, 20 IN. X 25 IN. X 2 IN., HIGH CAPACITY, PLEATED, 100% SYNTHETIC MEDIA BONDED TO METAL GRID ON THE AIR-EXITING SIDE, FILTER PACK ENCLOSED IN HEAVY DUTY, MOISTURE RESISTANT DIE CUT FRAME, MERV 8-10 PER ASHRAE STANDARD 52.2, 15 PLEATS PER LINEAR FOOT, 4.688 SQ FT MEDIA PER SQ FT FACE AREA, MEDIA PACK BONDED TO FRAME ON ALL SIDES TO PREVENT AIR BY-PASS, 500 FPM (1750 CFM CAPACITY); 6 EA FILTER, HVAC, CARBON, VOC, FINAL, 24 IN. X 24 IN. X 12 IN., WITH HEADER AND GASKETS FOR SIDE ACCESS HOUSING, ALL PANEL EDGES SEALED TO PREVENT AIR BYPASS 12 IN. IN-LINE DEPTH; 2 EA FILTER, HVAC, CARBON, VOC, FINAL, 20 IN. X 24 IN. X 12 IN., WITH HEADER AND GASKETS FOR SIDE ACCESS HOUSING, ALL PANEL EDGES SEALED TO PREVENT AIR BYPASS 12 IN. IN-LINE DEPTH...