Standard sized scrubber provides 4-6 hours of scrubbing time. Very comfortable and intuitive to fill. The inner scrubber is made from very fine stainless steel mesh, the lid is made from thick plastic. It allows very comfortable filling. Opening and closing is very quick and simple. The functional and reliable water trap is placed in the bottom. During the stress test according to standard EN 14143:2013 there was proven that the scrubber duration is 2 h 48 min. The test conditions were 4°C, breathing 40 l/min, CO2 production 1.6 l/min. Usual stack time is 4 hours in cold water and 6 hours in warm water with moderate effort.