The moisture meter can quickly measure the moisture content of the grain. 1. Quick couplers are used to disconnect hoses from the inside to remove pumps or sieves, mainly used in aquarium strainers. 2. It is an aquarium hose quick coupler with a water control valve that allows you to control the water flowing through the hose and completely cut it off as you like. 3. This aquarium hose pipe quick coupler is suitable for aquarium system fittings, fresh water and salt water. 4. With built-in rotary head, more safety, separate the handle with rotating head, so that the structure of individual parts is strong 5. The double sealing ring design is safer than other counterparts, made of plastic, which is safer and has a long service life. Specification: Item Type: Aquarium Filter Connector Material: ABS Color: as shown in the picture Weight: approx. 192,0 g/6,8 oz Application: For connecting external filter drum with water pipe Suitable Type: Aquarium Filter Drum Water Control Valve Function: Quick connection is used to connect the filter drum inlet and outlet pipes, which is very convenient for maintenance and cleaning when the filter drum is dismantled. It must disconnect the filter drum power supply and close the two valves quickly connected to the filter drum. After unscrewing the nut, the filter drum can be quickly detached. Features: 1. It can be quickly disassembled by blocking water without reversing 2. Double sealing ring design is safer 3. Made of plastic, which is safer and has a long service life List of packages: 1 x Aquarium Filter Connector