Filter-Tips, New in the box: Disposable Filter-Tips, 1500ul, Qsym SP (1024) For use with the QIAsymphony SP / AS instruments. Case of 8 cartridges. 53 cases available. $40 per case. Discount for multiple units ** Please reference item #240116-2600-01 when contacting us about this listing. Return Policy Items are sold as-is as described and pictured. Most items come with a 7 day option to return and a 30 day limited parts warranty. Feel free to call before you buy. 888-649-6497