The ProtectR® Tube is the only container closure system engineered to be CO2
resistant and stop costly damage to molecular and cellular solutions when using dry ice. Made of durable, high quality materials and fitted with an air-tight cap. ProtectR® Tubes form a protective barrier impermeable to CO2
, keeping the sample pH stable and preventing acidification. Holds 50mL, and can also contain smaller tubes. 95kPa tested and certified to IATA standards for air shipment. Packaged in our exclusive IntegraPACK®. 10 tubes per pouch, 5 pouches per pack, 2 packs per case. Made in USA.