Check package contents on web site Optional Rinse Tanks (or rinse above the plating tanks using a drinking water bottle) Other minimal house objects may very well be required, for example gloves, drinking water etcetera. For ducts, the fire resistance limit is determined with the EI conventional in fire resistance, https://spencervrhwk.blogsuperapp.com/37079446/the-ultimate-guide-to-fire-resistant-ductworth-isntallers