Each kit includes a 5" diameter round HEPA filter, 99.9% efficient on 0.3 micron particulates and two plastic hose barbs for attachment to tubing.

Kit comes with HEPA filter, hose barb connectors and 10' of 3/4" ID neoprene tubing for attachment to the pressure relief bubbler exhaust. Should overpressurization occur, the HEPA filter traps particulate contaminants, preventing their escape into the room.