Stored Pressure, 2ltr, 4ltr, 6ltr and 9ltr fire extinguishers Wet chemical fire extinguishers will Class K fire risks and are designed for use against kitchen and fat fires. A unique feature of the Safetya Plus Engineering wet chemical fire extinguishers is that the extinguishers can be operated from a distance of approximately 3-4 meters away reducing danger to the fire extinguisher operator. Squeeze grip operation Fully refillable Controlled discharge Supplied with wall bracket Full range of spare parts are available