USE a more heat resistant material such as PETG or ABS. PLA could melt. The parts were printed using PM PETG filament on Ender 3 Neo.
HVAC hose clamp: A 150mm hose clamp used for securing the hose with 4x13 mm bolt holes to various surfaces. Inside of the clamp is threaded (left hand thread) so the hose does not slip out.
KLARSTEIN hose adapter: A copy of the original KLARSTEIN unit HVAC adapter.
KLARSTEIN hose seal: A seal for the KLARSTEIN hose adapter.
The author marked this model as their own original creation.