Add to Cart Quick view 9mm Blue Screw Cap, Closed Top Cap, PTFE/Rubber Liner, 100-pk MSRP: Now: $26.75 Was: 9mm Blue Screw Cap with PTFE/Rubber Liner, Closed Top, 100-pk These 9mm blue screw caps with closed top design provide reliable sealing for autosampler vials in HPLC, GC, and general chromatography... 4000-99B MSRP: Now: $26.75 Was: Add to Cart Quick view Qty in Cart: 0 Order Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $26.75 Was: Subtotal: Add to Cart