Description: Material: Constructed from pp material, this aquarium control valve ensures long term performance and resistance to wear, making it a reliable choice for continuous use in aquatic environments Feature: This aquarium gate valve is compact yet effective, fitting seamlessly into your aquarium system without taking up excessive space Aquarium Flow Control: This gate valve is designed specifically for aquariums, allowing flow adjustments to maintain optimal water conditions and reduce noise in your fish tank setup Noise Reduction: The silencing design helps minimize the sound of water flow through the bottom filter tubes, creating a quieter environment for both you and your aquatic life Versatile: Ideal for a variety of uses including garden irrigation, home plumbing, greenhouse setups, lawn watering systems, and DIY aquarium projects Specification: Material: PP     Size Chart: Inner Diameter 2.5cm: 12.5cmx8cm/4.92inchx3.15inch Inner Diameter 3.2cm: 12.5cmx8cm/4.92inchx3.15inch Inner Diameter 4cm: 16cmx10cm/6.30inchx3.94inch Package Includes: 1 Piece Aquarium Gate Valve Note: Please allow slightly errors due to manual measurement and different monitors.