LS117 self-contained operation Optical Density Meter light transmittance 6.0 OD

LS117-self-contained-operation-Optical-Density-Meter-light-transmittance-6.0-OD. Important reminder: The price can be purchased directly, please do not repeat the inquiry. Product is brand used and in stock. daijuzh0 . Free shipping.If you need more pictures, or need more quantity, or have other problems. Please contact me