Reusable Collection Systems. Simple and durable. Our Reusable Collection System consists of various autoclavable PSU suction jars and lids with integrated overflow protection. Four different jar sizes: 1, 2, 3 and 5 litres, share one lid size to make handling easy and reduce logistical efforts. Flexible system with multiple components and accessories. Unbreakable jars, made of high-grade, shock-resistant polysulphone. Graduated markings to indicate fluid volume. Uniform lids fit to all jar sizes with mechanical overflow protection integrated in lid.