Evolution Aqua Flexible pond fittings are a perfect solution for all your pond equipment needs. The rubber fittings, known as "Boots", are made of strong and durable rubber that has been designed to fit easily onto various types of pipe from PVC to lead, Copper to clay. Each fitting has an easy to adjust jubilee clip on each end, making connection simple and gives a perfect seal with no need for gluing. The fittings can then be removed and reused over and over again and can be adapted to any pond system set up. The 90 Degree elbows are a perfect fitting to ensure you can connect your pipework around angled bends. Specifications :1.5" (45 - 38mm). These are genuine Evolution Aqua fittings made of flexible rubber, easy to fit and adjust with 2 jubilee clips per fitting. They connect any type of pipework and are reusable, simple to remove or move when needed, with no gluing required. Sizes range from 1.5" to 4". Suitable for large Koi systems like the Evolution Aqua Nexus. Weight: 0.3968320716 pounds, Manufacturer: Cloverleaf/Evolution Aqua