The actual size of the Ultravation air filter model 91-005 is approximately 15 3/4" x 24 1/4" x 4 3/4". The Ultravation 91-005 is the 16 x 25 x 5 replacement MERV 11Progressive Media air filter for the following Ultravation whole house air cleaner models:
Do you have a bottom return air handler? Watch your filter change video here.
Why Choose Genuine Ultravation
OEM Progressive Media
Replacement Air Filters?
MERV 11 performance
Low pressure drop
Progressive particulate capture for long life
100% Synthetic Fibers
Stable Media Charge
High Initial Efficiency
Thermally Bonded
Fibers resist shedding
Media does not absorb moisture
Continuous fibers
No chemical binders
The 91-005 replacement filter uses UltravationProgressive Media filtration with Ultrastrand fiber technology, which meets and exceeds MERV 11 (ASHRAE 52.2) performance standards. UltravationMERV 11 filters can capture particles as small as .3 microns in size. The specially shaped surface of an Ultrastrand fiber captures and holds particles far better than the typical round fiber. To increase capture ability still further, Ultrastrand fibers carry a permanent electrostatic charge that attracts particles like a magnet.
UltravationProgressive Media design increases fiber density from the upstream to downstream side, gathering the largest particles in the first part of the filter, while progressively smaller particles are captured through the filter. As a result, the media becomes filled edge to edge, providing very high dirt holding capacity.
In the past increased efficiency in particulate capture has always meant increased air resistance. But the UltravationProgressive Media design and UltraStrand shaped fibers achieve MERV 11 performance with less pressure drop than a typical MERV 8 media filter. This increased performance with less pressure drop means you will get cleaner air in your home without sacrificing the efficiency of your HVAC system. With genuine UltravationProgressive Media replacement filters you truly do get more bang for your buck!
The manufacturer recommends you change the 91-005 disposable filter every 6 months under normal operating conditions.
For instructions on how to change your air cleaner's filter, please refer to your units Instruction Manual.
This package ships with 1 filter.
The Ultravation 91-005 replacement filter is also an upgrade for the Trion® Air Bear refill#: 255649-105 and 255649-005.
How to Change the Air Filter on an Untravation Bottom Return Air Handler
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