The VP230 is similar to the VP220, however includes a heavy-duty professional grade ½-hp rotary oil pump. This pump requires periodic maintenance and is ideal for higher volume users. This commercial sealer accepts bags up to 12.25" wide by 15" long. The VP230 includes a double seal wire for extra protection and allows you to seal various types of products, including a bag of water! Compared to your traditional "external sealer", this "chamber sealer" is perfect for products that contain heavy amounts of liquid such as soups and marinades. Features include automatic start function, easy read pressure indicator and transparent lid. Maximum Chamber Bag Size: 12" x 15". Standard electrical plug. If you have any questions, please contact us! Includes 60 assorted 3-Mil Vacuum Chamber Pouches 20 of 6" X 10" Chamber Pouches 20 of 8" X 12" Chamber Pouches 20 of 10" X 13" Chamber Pouches.