Hi-Velocity – FR-4 Series 4″ Merv-13 Filter Rack & Filter
Custom Sized Filter Racks and Filter Replacements
for Hi-Velocity and Lo-Velocity Fan Coils
4″ Filter Brochure
Energy Saving Products 4″ filters are a simple and cost effective step towards a
healthier home or office environment, free of airborne allergens and particles
that can trigger various allergy and asthma symptoms.
These MERV 13 filters effectively reduce pollen, dust, pet dander, mold spores,
and dust mites, as well as bacteria, smoke, smog, and other allergens.
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