▪ MERV 13
▪ High Efficiency With Low Initial Resistance
▪ Moisture Resistant
▪ 100% Synthetic Recyclable
▪  High Loft Media
▪ 2 Piece Heavy-Duty Die Cut Frame
▪ Expanded Metal Backing
▪ Double Wall Frame
▪ Diagonal Grid Supports For Maximum Strength
▪ Can Be Used As Pre filters To Extend The Life Of Higher Efficiency Filters Or Use On Their Own
▪ Suitable For Commercial And Industrial Application
▪ UL Standard 900 Classified
▪ "Box Of 12"

This product has been discontinued. Low stock, while quantities last.