6in Waste tank lid, fits most carpet cleaning machines that take a six inch lid over the waste tank portables including some Mytee, PowerFlite, Diamondback, Sense, Century 400, Kaivac, US Products, Prochem, Nobels, Hydramaster, and others. Clear 6 inch Waste Tank Lid Universal Vacuum Lid Flat toplid cover 86806030 With the clear lid removed the top of the lid is 6-3/8 across With the clear lid removed and it flipped over (upside down) the lid is 6 across The ring opening is about 6 across The OD of ring is 6-15/16 across and is included in this part number. Does not include screw to mount to your carpet cleaning machine. Flat top Ring color ships in Black or White (you cannot pick what you want) If you need a vent hole for fresh tank use, just drill one! Vacuum lid Color Clear Shape Round Brand Name Generic Closure Type Screw Top Manufacturer Steam Brite Item Type Name 260-64A Is the item microwaveable No Is the item dishwasher safe Yes