The 1910 comes with a MERV 11 electrostatic filter, but can also take a MERV 13 replacement at the expense of slightly higher static pressure on the HVAC system. It has a blue/gray plastic door and an unpainted galvanized steel housing.
Model 1910 features:
Protects your HVAC system and offers superior filtration performance to 1" filters
25" x 20" nominal size
Easy installation
Comes with a 910 filter
Removes most common allergens, including pollen, pet dander, and mold
Guaranteed with Pure Fit Promise, Self-Seal Technologyâ„¢, Clean Coil Commitment & Interlocking Rails
Comes with a 910 filter and can accept a 913 filter