With U-TEK* cold pack. 24-unit polyethylene foam insert rack. Carry temperature-sensitive specimens. 1/4" foam insulation. Partition lets specimens be carried at 2 different temperatures. Made of PVC-coated nylon. Biohazard symbol printed on bag meets OSHA requirement #29CFR.
Periphyton sampler for growing microorganisms on submerged surfaces and then analyzing in lab SS wire frame, reusable glass slides and two polyurethane floats, Perfect for algae, zebra mussels and other growth under a microscope for identification and counting