Heating block, used for 15mL tubes, 4 holes

Block for NDK200-1/2, 15mm x 12 pos.

Reaction block for 50ml round bottom flask (one flask capacity), suitable for 280℃ and 340°C series

Silicone mattress for 10× 5~10ml blood collection tubes,use with SK-R30S-E , MOQ 2pcs