VEVOR Stainless Steel Kettle, 5 GALLON Brewing Pot, Tri Ply Bottom for Beer, Brew Kettle Pot for Beer Brewing, Home Brewing Supplies Includes Lid, Handle, Thermometer, Ball Valve Spigot

Yes, the size is 1/2 NPT.

Filter is not included.

Hello, the inner diameter of the faucet of the product is 18.53mm. You can refer to this size for the hose.

1/2′′ is compatible with this kettle.