Ranked 1st in our list of recommended serum bottles and sells for $396.79 (as of 06/07/2022 23:37 PDT details ) , more than 100% of the Wheaton 227497-04 reviews are positive. With features such as bottles are manufactured from type i borosilicate glass and ideal for incubating diluted samples of sewage, sewage effluents, polluted waters, and industrial wastes to determine biological oxygen demand, it is indeed our top pick among serum bottles.