Vein Care 3 Port Digital Sequential Compression offered by us, is designed and manufactured by making use of premium grade of raw materials and upgraded technology. This work by squeezing your legs with cuffs that fill with air. This helps avoid blood clots by increasing blood flow through the veins of your legs. Vein Care 3 Port Digital Sequential Compression is in the shape of sleeves that wrap around the legs and inflate one at a time using air. This simulates walking and aids in the prevention of blood clots.