SSI Screw Cap - GripSeal, Assorted Colours (500/bag)
Polypropylene with TPE seaing ring moulded directly into the cap.
GripSeal Caps with Moulded O-Ring & Rubber Ribbing
Medical-grade polypropylene with an inert TPE sealing ring molded directly into cap.
O-ring is securely bonded - can't fall out!
No contamination from outsourced materials or handling.
No possibility of double O-rings.
Provides the safest, most secure leak-proof microtube seal on the market.
Rubber ribs allow for effortless opening and closing.
Contrasting color strips on GripSeal caps enable easy identification.
Wide variety of colors available.