Bio Plas 0061 Assorted Polypropylene Microcentrifuge PCR Tube Rack, 80-Well, Pack of Five $19.68 B006MZR6QI
Bio Plas 0063 Polypropylene 80 Well Microcentrifuge Tube Rack, Autoclavable, Green (Pack of 5) $15.92 B00B9RGB56
Bio Plas 0091 Polypropylene 96 Well Reversible Microcentrifuge Tube Rack, Autoclavable, Assorted (Pack of 5) $112.32 B00B9RJKEA
Bio Plas 0090 Polypropylene 96 Well Reversible Microcentrifuge Tube Rack, Autoclavable, Natural (Pack of 5) $53.46 B00B9RKDNW