Njbinglab Ptfe Water Depth Sampler, Low Background, 500ml - NanjingBinzhenghong ( China ) - Offers to Sell and Export - Tuesday 29 October 2024 3:09 am - njbinglab ptfe water depth sampler low background 500ml features 1 pure white appearance good drug resistance strong acid and alkali corrosion resistance 2 high and low temperature resistance can...