YTYIN | 110V/220V Stainless Steel UV Water Sterilizer Ultraviolet Tube Lamp Direct Drink Disinfection Filter Aquarium Fish Tank Purifier

kindly  Remind: We have  110V  and 220V voltage.we will send correct voltage base your country  so please  read carefully before you make order !Specification:Product Name: ULTRAVIOLET WATER STERILIZERPower: UV-12wMAX FOLW: 1GPM/226LPHInterface: The hole the inside diameter : 14mm ,The hole the outside diameter : 17mm ,Shell material: 304 stainless steel, alloyPower input: 110V / 220-240V 50/60HZ 0.1AWARNING:GERMICIDAL ULTRAVIOLETRAYSARE HARMFUL TO EYES & SKINHow to use ?1.Put the glass casing into the circlip inside2. Put on the sealing ring3. Tighten the alloy nut4. At this time , the water test can be passed5. No water leakage , then connect the lamp and put it in .