non sterile vlsi s ulpa clear filter is designed for use in the purevac turbo smoke evacuator the purpose of the filter is to remove particulate matter toxic gases and odor from laser plume or surgical smoke it is suitable for use in both laser and electrosurgical procedures but is especially recommended for procedures where infectious tissue such as the human hpv may be present in the surgical plume the ulpa clear filter allows for immediate replacement due to its affordable cost eliminating the possibility of infection transmission in the healthcare environment the ulpa clear filter is a multistage filtration system which includes a built in 50cc liquid trap a prefilter for capturing larger particulate matter an ultra low penetration air ulpa filter for viral and smaller particulate material and activated carbon for removing odor this filter has a 7 8 port to accommodate the 7 8 tubing commonly used in laser and surgical procedures there are also numerous tubing adapters and reducers available for the 7 8 port size to adapt smaller medical tubing such as 1 4 to larger smoke evacuation hose for attachment to surgical instrumentation filter life up to 1 hour maximun