Durable brass construction ensures long-lasting performance and resistance to erosion in aquatic environments. Compatible with 1/2", 3/4", and 1" internal threads, making it versatile for various aquarium setups. devised for water flow control, preventing backflow and ensuring smooth operation of your aquarium float valve. Easy manual operation allows for quick adjustments and maintenance, ideal for both novice and experienced aquarists. Perfect for use in aquariums, ponds, and other water systems, enhancing overall water management efficiency., Manufacturer: PpeiliL