Thermo Products THV1M119A960SA, Installation And Operation Manual

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If a method other than supplied filter rack is selected for retention of the filter and/or use of a different filter
type is desired, refer to Table 3 below for minimum sizing guidelines for selecting filters for the unit.
Filter Type Maximum
Air Velocity
(ft/min)
Model Number
THV1M119A*
* Supplied Permanent 600 480 in²
Standard
Permanent
500 576 in²
Disposable 300 960 in²
Table 3: Minimum Required Filter Area (in square inches)
* The supplied filter can be cut to size to fit other filter retention systems as long as maximum
air velocity of the filter is not exceeded.
NOTICE: Any internal stiffeners used in the filter must not be removed, although
they can be cut to size as needed.