▲ 2 r/HVAChttps://preview.redd.it/cuuwvtsbsmzg1.png?width=976&format=png&auto=webp&s=2b2328b0c6fd404ec12488f27f53605e5909c5ee Will an 8" flex duct with insulation fit through the J14 joist that allows for an 8" diameter? reddit.com u/Commission_Ready — 16 days ago