HEPA Filter Sales carries genuine OEM replacement pre-filters for Enviromaster (EMI) Ductless System Air Conditioners and Heat Pumps. Replacement pre-filters from Enviromaster are sized right for a proper fit and they are designed to get the maximum performance from your system. If you do not see the size of filter you need or the model number of your EMI unit, please contact us and request a quote for your filter type and size.
Enviromaster Owner’s Manuals - If you need instructions on changing your units air filter you can find this info in your units owner’s manua herel. The filter changing instructions should be near the end of the owner’s manual.