Needle Kit, 15 µL with Needle Seat and Needle Guid Back Catalog number: CTS-21287 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request CTS-21044 SUS Tubing B Price on request CTS-11297 Sapphire Plunger Price on request