Image 1 of 3 Image 2 of 3 Image 3 of 3 Slushie Machines $0.00 1, 2 Barrell and 3 Barrell Slushie Machines15 Litres per barrel. Freezes 15L per 45min. 3 Barrel equals 145 9oz cups. Size: Select Size 2 Barrel 3 Barrel 1 Barrel Quantity: Add To Cart Added! 1, 2 Barrell and 3 Barrell Slushie Machines15 Litres per barrel. Freezes 15L per 45min. 3 Barrel equals 145 9oz cups.