Pumice stone for water filtrationservices by Keiken Engineering will transform the way of water filtration for you! Reducing carbon footprints, Pumice stones are the ideal eco-friendly choice for water purification. This filtration process does not use any chemicals. Due to being highly porous, it effectively removes all silt and debris, giving you safe water for consumption. Now hurry up! Get in touch with us and learn more about our filtration services.