Bench top casting machine allows both regular flasks and perforated flasks using vacuum technology on the right side. On the left side, it eliminates air bubble for cleaner, denser molds. Easy to operate, gives consistent results, while reducing the risk of casting defects. Low maintenance. * The system includes: 3 rubber seals (3", 3-3/8", 4") Perforated flask (3.5x4") Sprue base 3.5" Flask tong 2 adapter plates for 3.5" and 4" diameter perforated flasks and another for regular flasks Bell jar 8"x9" Vacuum pump oil Specifications: 1/2 HP; 3 CFM; 110V Weight: 87 lbs Dimensions: 23"x 11"x 14" SHIPPING CHARGES MAY APPLY