What is the maximum vertical height of an object that will fit in the cleaning chamber? October 08, 2024 23:38 When the metal grille is removed objects up to 1.6 inches in height can fit inside the iUVBT1 cleaning chamber. Related articles How many USB charging ports does the iUVBT1 have? How to switch to Daylight Savings Time? Is the adapter plug 2 or 3 prongs? What is the waterproof rating for this unit? How do you take care of a salt lamp?