SILICA GEL CONTAINER FOR COILS FROM ALL MANUFACTURERS.
THE VENTILATION HOSES ARE 1.8MM AND ARE POSITIONED BOTH ON THE CAP AND ON THE BASE AND ALL AROUND TO ALLOW MAXIMUM ABSORPTION OF HUMIDITY.

I USE SILICAGEL WITH A DIAMETER ABOVE 2MM.

I ALSO LEAVE THE FUSION360 FILE TO MODIFY IT AS YOU WISH.