This is a genuine OEM replacement part, it is sold individually.
The Brew Basket is where the filter and coffee are placed in the Coffee Maker models shown below.
The lid of the carafe activates the valve on the bottom of the Brew Basket.
When the carafe is removed the valve will close so none of the coffee will be spilled.
Once the carafe is replaced the valve will open then the coffee will start flowing into the carafe again.

Genuine OEM replacement part, this item is sold individually.
This is the water filter for the Coffee Maker models shown below.
The filter should be checked on a regular basis to make sure it is clean and free of debris
The diameter of this filter is 3-3/8 inches.

Genuine Mr. Coffee replacement part, this item is sold individually.
This Decanter Lid is used for all the models listed below.
To install this part, press the two small nubs on the the end of the Lid into the top of the handle.