envelopelearning@mainstreamcorporation.com phone303-912-4833
Compact sound-absorbing manifold box with closed-cell, silencer inner lining, with mounting plate for 10x3" (75) ComfoTube ventilation pipes and end plate with 6.3" connection for ComfoPipe.
$597.45
The ComfoWell 10-Port Manifold Activated Carbon Filter
$96.60
Mainstream Corporation is a Colorado based Passive House Design, Consulting firm. Specializing in Passive House Products for your building project.