1100 Series Essential Pack, G1310A/G1311A Pump Back Catalog number: CTS-21586 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request 11-3834 Pump Seal, PE Price on request