Shimadzu toc 4200 Catalyst, 638 - 60246

Concentrating COD, ammonia nitrogen, total phosphorus and total nitrogen pressure valve, four-way valve, concentrating pressure valve, concentrating standard liquid core

LZV277 Hash diaphragm pump, no good or bad

Guangzhou Bokong Digital Color Instrument, May 2019, the last picture is a bit bumpy

Newly stocked high-sand pipe pinch valve, normally open solenoid valve, 50kp, which is a little worn out after leaving it in the warehouse for a long time

Hash COD Motherboard

The quality of the first generation of hashcod board and dismantling parts looks at the package price of 600

Focus 2000 motherboard, focus ammonia nitrogen motherboard, focus cod motherboard, new

Hash NA8000 maintenance package, Hash ammonia nitrogen na8000 maintenance package

Hash cod display assembly, disassembled parts 9.9 new

Thermo Fei 3106COD digestion pipe, Thermo Fei cod digestion pipe

Hashi ammonia nitrogen diaphragm pump, brand new authentic, item number LZV177, quality lever! new

HACH Hash COD Driver Board American Hash COD Slave Board

Hash cod ceramic valve Hash digestion inlet valve y0000125, disassembly 9.

Micro-blue total nitrogen digestion tank, micro-blue total nitrogen digestion cup, micro-blue ammonia nitrogen digestion cup micro-blue cod digestion

LZP361 Hash Ammonia-nitrogen Yiliu Bottle, brand new, original, unopened

Hash npw160 battery valve.6804451k Hash total phosphorus and nitrogen NPW1

Focus 2000 ammonia nitrogen digestion unit, focus ammonia nitrogen digestion unit is new and original

Voro Technology Pipe Pinch Valve WK01 -417-4/7, 24vDC, Concentrator Pipe Pinch

Xuedilong standard valve, the color is as shown in the picture, and the second-hand package price is 200