To control gas flow rate Back Catalog number: NDK-GV Manufacturer: HANGZHOU MIU INSTRUMENTS Availability: 4 weeks Price (VAT incl.) 147,50 € 121,90 € - + Recommended 18900426 Heating block, used for 15mL tubes, 4 holes 104,81 € DT13A Block for NDK200-1/2, 0,5ml Epp. x 12 pos. 106,64 € 18900197 15mL metal tube holder price,use with MX-RL/RD-Pro 3,25 €