Tender For corrigendum : supply of cg 500 230 freezer or mill dual chamber high capacity cryogenic grinder , 6870l grinding vial accessory package, large 2perpk , 6808 end plug extractor with lever for mid size and large grinding vials, 1 vial capacity , large steel vial set with o rings , polarsafe liquid nitrogen refill tank, stainless steel, 30l , 6907 cryogenic transfer hose, stainless steel 6 ft 1.8 m , 6801p replacement impactor for large grinding vial set , 6801e replacement end plugs for large grinding vial set 61043 09, ss 2perpk , 6801c20 replacement cylinders for large grinding vial sets, pc, 20perpk