※Please read the product description to the end. This is a screw-top dropping bottle made by SIBATA. It is made of PP (polypropylene) and is used for residual chlorine meters. The model number is 8054-43A. 【Brand】SIBATA 【Model Number】8054-43A 【Material】PP (polypropylene) 【Application】For residual chlorine meters Although unused, there is some soiling due to aging. Please check the images. This item has been stored at home. Please refrain from purchasing if you are nervous about this or if you are looking for a perfect item. Thank you for viewing.