2 nuts M 16 x 1 ( for pump nozzles). This accessory are suitable for the following JULABO products:
F30-C, F31-C, CF30, CF40, CF31, CF41, FP50-MS, FP88-MS, F25-HE, F25-HL, F32-HE, F32-HL, F33-HE, F33-ME, F33-HL, F34-HE, F34-HL, F81-HL, F83-HL, F95-SL, FP40-HE, FP40-HL, FP40-MC, FP40-ME, FP45-HE, FP45-HL, FP50-HE, FP50-HL, FP51-SL, FP52-SL, FP55-SL, FP80-SL, FP88-HL, FP90-SL, FPW52-SL, FPW55-SL, FPW80-SL, FPW90-SL, FPW91-SL, FP35-HL, FW95-SL, HE-4, MC-12, ME-4, MC-6, SE-12, SE-26, SE-6, SL-12, SL-26, SL-6, FP52-SL-150C, FPW52-SL-150C, FP55-SL-150C, FPW55-SL-150C, FP90-SL-150C, FPW90-SL-150C, FPW91-SL-180C, ME-12, ME-26, HL-4, FP50-ME, FP50-MC, ME-6, SE-Z, MC-19,