Add to Cart Quick view Ibis 9mm Blue Screw Cap, PTFE/Red Rubber, 100-pk MSRP: Now: $19.50 Was: Ibis Scientific polypropylene screw caps are a cost effective alternative with the same quality of major manufacturers. Product Size Pack of 100 Cap Color Blue Closure Material Polypropylene ... 4400-61B MSRP: Now: $19.50 Was: Add to Cart Quick view Qty in Cart: 0 Order Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $19.50 Was: Subtotal: Add to Cart