Nalgene™ Unwire™ Polypropylene Test Tube Racks

Features: Higher specific gravity than water so rack stays submerged in a water bath Holds a full load of test tubes or centrifuge tubes for 13 and 16 sizes or up to 72 smaller diameter tubes in a 6×12 array Available in four bright colors to help keep samples organized Accepts large labels for easy sample identification Note: These racks are not autoclavable. . Nalgene reusable polypropylene(PP) products are designed to last many years under typical laboratory conditions. Yet, as with all durable products, they need to be retired and replaced eventually. These racks and their packaging are recyclable in many communities. Please recycle the corrugate cartons and LDPE bags in which your Nalgene products are packaged. And at end of product life, please wash and recycle your Nalgene racks if services are available in your community.