💡 Elevate Your Testing Game! Constructed from high-quality plastic for long-lasting performance. Achieve accurate air tests up to 4 inch (100mm) water gauge pressure. Designed to fit seamlessly into your toolkit with dimensions of 14.5 x 15.4 x 14.8 cm. Weighing only 440g, it's easy to transport and store. Includes all necessary tubing and testing accessories for immediate use. 4 inch pressure Compact size Handy kit The Bailey4074 Drain Test Kit is a professional-grade tool designed for efficient air testing, capable of measuring up to 4 inch (100mm) water gauge pressure. This handy kit comes complete with all necessary tubing and accessories, ensuring you have everything you need for precise testing. Lightweight and compact, it’s perfect for on-the-go professionals.