Heathrow Scientific Test Tube Rack, 2-2/5 x 4-1/8 x 9-2/3 Inch, 1 Each Urinals Graduated measurement handle marked with

Graduated measurement handle marked with centimeters and millimeters for accurate measurement

odor-barrier rustle-free film

Knit design offers strength

Highest level of discreetness and comfort provided by odor-barrier

unlike Guaiac-based tests which also detect dietary peroxidases from meat and uncooked fruits and vegetables

Heathrow Scientific Test Tube Rack, 2-2/5 x 4-1/8 x 9-2/3 Inch, 1 Each Urinals Graduated measurement handle marked withWell diameter is 16 millimeters Polypropylene racks ship flat in one piece Easy to assemble, just fold and snap together Can be used in water baths Open design allows samples to be incubated at the same temperature Rack design is optimal for tube stability Color code for easy identification Blue Autoclavable