Hi i was just wondering if i were to use say three 3" vents do i work out the theoretical length as i would for one vent or would i need to work out the sd of the combined vents, and work from there?
also i read somewhere that if you do use more than one vent you should divide the vb by the number of vents? anyone help me with this?
Regards Kimado(",)
also i read somewhere that if you do use more than one vent you should divide the vb by the number of vents? anyone help me with this?
Regards Kimado(",)
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