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EPP ducting allows for easy installation of intake and exhaust ducts. Comes in 39" segments.
$36.57
Insulated Expanded PolyPropylene (EPP) comes in a 45-degree bend; two can be used together for 90-degrees.
$18.87
EPP ducting allows for easy installation of intake and exhaust ducts. Comes in 39" segments.
$25.96
Insulated Expanded PolyPropylene (EPP) comes in a 45-degree bend; two can be used together for 90-degrees.
$14.16
The Round 2-Port Diffuser Box is used in combination with either the Supply Diffuser or the Return Diffuser.
$157.45
The Round 3-Port Diffuser Box is typically used in combination with the Return Diffuser in kitchens.
$215.45
The Round 2-Port Diffuser Box is used in combination with either the Supply Diffuser or the Return Diffuser.
$157.45
Air throughput box for supply or exhaust air, including mounting brackets for the 3-inch flexible duct and white cover.
$135.66
Air throughput box for supply or exhaust air, including mounting brackets for the 3-inch flexible duct and white cover.
$135.66
Compact sound-absorbing manifold box with closed-cell, silencer inner lining, with mounting plate for 6x3" (75) ComfoTube ventilation pipes and end plate with 7" connection for ComfoPipe.
$730.00
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.
$674.76
Compact sound-absorbing manifold box with closed-cell, silencer inner lining, with mounting plate for 6x3" (75) ComfoTube ventilation pipes and end plate with 7" connection for ComfoPipe.
$656.00
Compact sound-absorbing manifold box with closed-cell, silencer inner lining, with mounting plate for 6 x 3" (75) ComfoTube ventilation pipes and end plate with 6.3" ComfoPipe connection.
$585.00
Useful when connecting a Comfoair units to two 6-port supply manifolds and two 6-port exhaust manifolds.
$56.62
Compact sound-absorbing manifold box with closed-cell, silencer inner lining, with mounting plate for 6 x 3" (75) ComfoTube ventilation pipes and end plate with 5" ComfoPipe connection.
$550.76
Mainstream Corporation is a Colorado based Passive House Design, Consulting firm. Specializing in Passive House Products for your building project.