Electro-Air Replacement Carbon Pre-Filter Blanket # DMH4-0810
Size: 16 X 12 X 1/2"
Carbon Prefilter Part #DMH4-0810 is Recommended to be changed every 3-6 months
Electro-Air Model EAHEPADM400
Direct Air Model 400
Other related part # ( sold separately) or recommendations:
Prefilter MERV 11 Part #DMH4-0855 is Recommended to be changed every 3-6 months or earlier if required.
Hepa Media Filter Part #DMH4-0400 is Recommended to be changed every 2-3 years or earlier if required.