Nalgene* Laboratory Carrier

High-density polyethylene. Reduces breakage and spillage when transporting glass and plastic bottles. Two foam inserts with six holes (consisting of removable circular sleeves) keep bottles separated. Remove concentric foam sleeves to accommodate up to six bottles with 2 3/8 in. (60 mm), 3 1/2 in. (89 mm) and 4 1/4 in. (108 mm) diameters. Accommodates 250 and 1000 ml round bottles, disposable filter units, and reusable filter holders, 100 , 500 and 1000 ml glass media bottles. Sturdy enough to hold six full 1000 ml glass media bottles. Carrier will not crack or shatter.