(4) Snap Racks™ are constructed of durable glass reinforced polypropylene, with a center well to conveniently hold caps, seals, septa, etc. Racks snap together securely to double your rack capacity.
(6) Increased spacing allows the user to pipet samples or attach caps without removing the vials from the rack! Frames are made of polypropylene and insert trays are made of transparent PETG. Select the insert for your vial, pop it into the frame, and use!
