Laerdal Compact Suction Unit 4. 800 ml canister version: 23.6 cm x 19 cm x 23.6 cm. With a suction range from 50 to 550 mmHg, the LCSU 4 can be adjusted for use in the most challenging situations, whether it be a newborn or adult – ensuring you always have just the right amount of power. Compact, powerful, and reliable, Laerdal's newest suction unit combines rugged design with lightweight portability, making it an essential tool for every first responder. Click-in-Place Canister - No vacuum tube between the canister and the suction pump is necessary - just click-in-place and go. - A clean and efficient solution, a used canister can be replaced quickly with a new one when suctioning is completed. - The canister is sealed, with an internal filter. The filter automatically stops suction/flow when the canister is full or the filter becomes saturated if the unit tips onto its side during use. - Once wet, the filter forms a gel which prevents ingress of fluid into the pump. 800 ml Canister - For extra suction volume. - The Canister is disposable, it can not be cleaned. - The Canister has an internal filter in the lid and mecanical shutoff valve that protects against contamination and overflow. - To increase filtration efficiency the Vacuum Tube may be replaced with a High Efficiency Filter Kit. - The Kit is used in situations where there is a high risk of cross-contamination. Easy to change Canister capacity - Each version can easily be converted to the other canister option by ordering additional parts.