Conforms to ASTM D2547, IP 77, 182, 248 and ISO 2083 specifications Consists of two sets of glassware mounted on a sturdy base/upright assembly with separate line switches, rheostats and condenser water control valves for each. Each glassware set includes 500mL boiling flask with heating tube, Hopkins reflux condenser with aspirator, thistle tube, 250W heating coil and 400mL Borosilicate Glass beaker