Premium MERV 11 filter improves efficiency by 9 to 15% (over MERV 8 filter)

Mounts in Most Third Party Return Filter Grilles

Provides High Efficiency Alternative to 1 Inch Filter

Captures Particles as Small as 0.3 Microns

Pleated Filter for Greater Media Capacity

Easy Installation

Pre-Assembled Filter Easily Inserts into and Out of Existing Return Grille

Mounts in Most Third Party Return Filter Grilles

Provides High Efficiency, Long Life Alternative to One-Inch Filter

Captures Particles as Small as 0.3 Micron

Pleated Filter for Greater Media Capacity

Easy Installation

Pre-Assembled Filter Easily Inserts into and Out of Existing Return Grille

Mounts in Most Third Party Return Filter Grilles

Provides High Efficiency, Long Life Alternative to One-Inch Filter

Captures Particles as Small as 0.3 Micron

Pleated Filter for Greater Media Capacity

Easy Installation

Pre-Assembled Filter Easily Inserts into and Out of Existing Return Grille

Mounts in Most Third Party Return Filter Grilles

Provides High Efficiency, Long Life Alternative to One-Inch Filter

Captures Particles as Small as 0.3 Micron

Pleated Filter for Greater Media Capacity

Easy Installation

Pre-Assembled Filter Easily Inserts into and Out of Existing Return Grille

RoHS Compliant

RoHS Compliant