Water Tank Feedthrough Fitting This brass hex reducing adapter is designed for water tanks, providing a seamless connection that avoids leaks and ensures efficient flow from 12 inch to smaller fittings, making it a reliable choice for various plumbing applications. Internal Thread External Thread Adapter Featuring both internal and external threads, this versatile fitting is compatible with a wide range of plumbing systems, allowing for easy installation and a secure, leakproof setup in your home or garden. Brass Material Longevity Crafted from brass, this adapter guarantees lasting performance and resistance to erosion, with precise hexagon design for a firm grip and straightforward assembly without the need for special tools. Efficient Flow Mechanism The reducing nipple feedthrough mechanism enables smooth water transfer between different pipe sizes, such as DN15, DN20, and DN25, optimizing flow rates and reducing the risk of blockages in water tank systems. Applications Use in home or garden irrigation systems to connect large tank outlets to smaller pipes. Suitable for farm or livestock water systems requiring reliable leak connections across multiple pipe sizes. Ideal for replacing worn fittings in outdoor water tanks or troughs to maintain efficient flow and reduce maintenance.