Any clean plastic vat of about six gallon capacity. You can buy a nice one with a snap on lid and a hole for the air lock at any wine makers shop.
Secondary Fermenter
A five gallon glass bottle (called a "carboy") like you see in water coolers. Must be glass -- not plastic.
Air locks
These come in a couple of varieties. They are designed to allow Carbon Dioxide to escape during fermentation while keeping oxygen out.
Hydrometer
This is used to measure the sugar content and thus the alcohol potential of your wine
Acid Testing Kit
Long Handled Spoon
Plastic Siphon Hose (About 5 feet)
Other Supplies
Sodium Metabisulfite
to clean equipment and prevent spoilage of wine
Potassium Sorbate
to stop fermentation in sweetened wines
Campden Tablets
a preservative
Acid Blend (Ascorbic Acid)
Calcium Carbonate
Wine Yeast
