Oyunngs Water Quality TDS Test Pen, Measurement Water Quality Tester, Test Pen for Detecting Water(tds Test Pen)

Feature:1. Using precision ceramic tube, let CO2 full dissolved in water, supply water grass absorption and utilization. 2. Nut locking tooth designed, can safely lock the air pipe. 3. Atomizer shall used in conjunction with water plant meter with working pressure of 2kg/cm2 or above. 4. Made of high quality materials, sturdy, durable and long service life. 5. Two sizes for you to choose, to meet different needs and requirements. Specification: Condition: 100% Brand NewItem Type: Aquarium CO2 AtomizerMaterial: Plastic + CeramicsColor: BlackQuantity: 1PCSSuitable Aquarium Using: Approx. Within 40-120cm/15.75-47.24inchOptional Size: S, L Size Suction Cup Diameter Refiner Length(Except Suction Cup) S 2.2cm/0.87inch 5.3cm/2.09inch L 2.7cm/1.06inch 5.5cm/2.17inch Package List:1 xAquarium CO2 Atomizer Note:1. Due to the large working pressure required, please adjust the air volume from small to large pressure and the micro-adjustment switch from small to large, be sure to pay attention to the slow (if you suddenly and rapidly pressurize or increase the air volume, it is very likely that the atomization will break). 2. The self-made biogenic co2 device cannot achieve the pressure required for the work of this product, so this product cannot be used.