18x20x1 Dust & Pollen Pleated Filter MERV 8 (12 Pack)
Glasfloss is a leader in MERV 8 Filter Media Electrostatically Charged, 100% Synthetic Media Heavy-duty, Moisture Resistant Construction Galvanized Expanded Metal Backing Lowest resistance available on the market
This pleated filter offers improved performance for virtually every application.
This filter features electrostatically charge, 100% synthetic media for high initial and sustained efficiency over the life of the filter. The fibers do not absorb moisture and will not support microbial growth. This filter is ideal for high velocity systems where maximum square footage of media is necessary.
Recommended Replacement: Every 3 months
Nominal Size: 18x20x1
Exact Size (WxHxD): 17.5x19.5x7/8
Rated Velocity: 300fpm
Initial Resistance: .18
Media Square Feet: 4.94
Efficiency Rating: MERV 8
Usually Ships: Next Day