In order to keep your air clean in your home or business,it is important to install replacements every 60 to 90.. No delaminating, no excessivebuckling, no collapsing. The MERV 8 mediahas a Polyvinyl Acetate (PVA) adhesive that is not affected by mold ormicrobial growth. Combinedwith an integral die cut cross members provide and galvanized steel pleatsupport and you have a provide a rustresistance and rigid high superior filter. WaterRepellent Adhesive hold together even when wet. Improved sanitaryconditions set by OSHA standards - Chemical / biological contamination iscontrolled (5) Strength and Rigidity: Hi-E 40 filters will not rack, warp orbend under normal handling or operating conditions. The two-piece frameconstruction creates a double-wall thickness around the outer edge. , Provides savings onenergy bill, Reduced exposure to airborne allergens, toxins, and irritantsand diminishes the growth of mold and mildew. Captures airborneparticles and allergens between 3-10 microns in size
