Disposable Polyethylene Cuvette Stoppers, Flexible fins on cap allow for tight fit that will not damage the cuvette, Case of 1000

Details:

Flexible fins on cap allow for tight fit that will not damage the cuvette.Protect valuable contents from contaminantsSquare-shaped stopper is for use in standard square cuvets, including Fisherbrand Disposable Plastic CuvetsRound stopper can be used with culture and general-purpose tube