SPI UniBung End Cap Bung Kit – 15mm & 22mm The SPI UniBung End Cap Bung Kit, available from Trade Counter Direct, is a versatile solution for isolating plumbing fixtures such as tanks and radiators. Manufactured from high-quality rubber, the UniBung ensures a reliable, leak-proof seal, making it suitable for both professional plumbers and DIY enthusiasts. This kit includes both 15mm and 22mm end cap bungs, providing compatibility with a range of plumbing systems and eliminating the need to drain the entire central heating system during maintenance or repairs. Designed for ease of use, the SPI UniBung offers a straightforward installation process and dependable performance, helping to preserve the integrity of your heating and plumbing systems while reducing downtime. Features Constructed from superior-quality rubber for enhanced durability and flexibility Provides a secure, leak-proof seal to prevent water escape during plumbing work Kit includes both 15mm and 22mm end cap bungs for broad compatibility Facilitates quick and effortless installation and removal Enables targeted isolation of plumbing fixtures without draining the entire system Suitable for use on tanks, radiators, and various plumbing applications Designed for both professional and DIY use Versatile addition to any plumbing toolkit Specifications Product Name SPI UniBung End Cap Bung Kit Included Sizes 15 mm and 22 mm Material High-quality rubber Application Isolation of plumbing fixtures such as tanks and radiators Kit Contents 15 mm End Cap Bung, 22 mm End Cap Bung