Profile: Easy Vac, Inc. manufactures and markets fluid sampling pumps under the brand name of Vampire. Our Vampire pumps are used for oil sampling and variety sampling applications. Our pumps are widely used in industries which are involved in environmental, chemical, water and hazardous material sampling. We also stock plastic bottles in sizes of 2, 3, 4, 8, 16 & 32 ounces. Polyethylene tubing is available from stock in 100' lengths with outside diameters of 3/16", 1/4", 5/16" and 1/2 & quot.