Bruker 500 MHz HP-Preamplifier HPPR2. (p/n Z003461) (LNA 1H) (p/n Z003505) (X-BB 19F 2HS) (p/n Z003472) (2H) (p/n Z003523/02.01/00138) (HPPR/2 13C) (p/n Z003529/02.01/00119) (HPPR/2 15N) OPTIONAL: Bruker 500 MHz filter (p/n Z14334/00/01.00/0135). Please contact us for complete Bruker refurbished/used nmr spectrometer system, warranty and service contract details (Bruker NMR).