Contains accessories for utilizing standard and wide-mouth mason jars as fluidevacuation or pressure dispensing reservoirs. Works conveniently with Mityvachand vacuum/pressure pumps.Includes:21/4ins (70 mm) diameter standard mason jar lid35/16ins (84 mm) diameter wide-mouth mason jar lid(2) 1/4ins ID x 48ins long (6.4 mm ID x 1220 mm long) connection tubesAdapters for tubing sizes 1/8ins-1/2ins OD (3.2 mm-13 mm OD) and 1/4ins-3/8ins ID (6.4 mm-9.5 mm ID)Specifications:Weight: 6.6 oz. (187 g)