Add to Cart Quick view 9mm Blue Screw Cap, Closed Top Cap, PTFE/Rubber Liner, 100-pk MSRP: Now: $25.00 Was: Ibis Scientific polypropylene screw caps are a cost effective alternative with the same quality of major manufacturers. Product Size Pack of 100 Description Blue closed top screw cap, PTFE/Rubber ... 4000-99B MSRP: Now: $25.00 Was: Add to Cart Quick view Qty in Cart: 0 Order Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $25.00 Was: Subtotal: Add to Cart