fertilizers and soil amendments

Sustainable onsite water recycling and wastewater treatment systems

Odor neutralizing preparations for use on carpets, textiles, hard surfaces, heating and cooling coils, ventilation equipment, waste receptacles and waste handling equipment

Ground water well pumps and ground water well pump motors, and replacement parts and fittings therefor

automatic grease removal device having a special membrane to facilitate the introduction of bacteria, and providing automatic draw-off

COMMERCIAL AND RESIDENTIAL VENTILATION SYSTEMS PRIMARILY COMPRISING VENTILATION OR FAN UNITS AND ASSOCIATED DUCTING FOR THE EXHAUSTION OF RADIOACTIVE GASES AND/OR RADIOACTIVE PARTICLES CARRIED BY THE GASES FROM STRUCTURES