The air passes through a pleated carbon prefilter which removes lint and large particles to extend the life of the hepa filter.
In duct hepa filter.
A cfb hp hepa filter box from hvacquick is a high performance solution for hepa in line filtration constructed from 5052 h32 aluminum the cfb hp holds a hepa filter as well as a merv 11 pre filter and is designed to fit 6 diameter duct.
The lid attaches securely with latches and opens easily for quick filter replacements.
A portion of this return air is by passed through an opening on the back of the unit and passes through a 5 stage filtration system.
Filter boxes for inline filtration.
Merv 15 near hepa and carbon filters available.
The air purifier has been designed to be installed on the return air duct.
Options for in duct filters.
Models for 6 8 10 or 12 inch ducts.
Hvacquick cfb series merv 13 inline filter boxes.
Equipped with a 220 cfm fan.
Hvacquick cfb hp series hepa inline filter box.
Not to mention the cost and size of hepa filters would be exorbitant.
An alternative to in duct hepa filtration is an external hepa filter.
The whole air conditioning system would need to be redesigned the typical home ac system s duct work and air handler would not be able to handle the increased air flow resistance of a hepa filter.
Duct mounted hepa filtration unit with 3 stage air filtration including a carbon filter pre filter hepa filter and a differential pressure switch to operatre the unit when the a c system or furnace is on.