At the seller //www.aliexpress.com/store/4414192 1 item in category Concentration Meters from 339 rub Average price of the items — 339 RUB Popular brands in this category: OOTDTY. Similar items can also be found at the sellers: //www.aliexpress.com/store/4414192, Tools-decorating Store, KIWARM Handmade Accessories Store, futureline, Shop.