Quick installation: attaches directly to RV and trailer water tanks via the drain valve connection for fast, toolminimal setup. Reduces installation time and lowers the risk of leaks or improper seating. Durable metal construction: made from metal materials that resist wear and environmental damage, providing longer service life compared with cheaper plastics and reducing the need for frequent replacement. Two size options for fit: available in 50 mm and 75 mm diameters to match common RV and trailer drain openings and ensure proper fit across multiple models. Extensionready design: compatible with extension rods and cables so you can reach and operate the drain in confined or hardtoaccess spaces without disassembling surrounding components. Reliable drainage function: engineered to provide a dependable connection to water tanks for routine draining, maintenance, or winterization tasks. Use scenarios: Routine winterization: connect to the tank drain valve to fully empty water tanks before storage, using an extension rod if access is limited under the vehicle. Onroad maintenance or replacement: swap in this durable metal drain adapter when the original fitting shows wear, restoring reliable drainage without cutting or modifying tank plumbing. Campground or remote draining: attach to the tank drain at a campsite to control emptying into an approved receptacle; extension compatibility helps when the valve is set back in the chassis. Key attributes at a glance: Function: drain valve connection for water tank attachment Compatibility: RVs and trailers Sizes: 50 mm and 75 mm diameter options Material: metal construction for extended service life Installation: quick setup and extension rod/cable compatible This product is designed for straightforward, reliable tank drainage and flexible installation in a wide range of RV and trailer situations.