The NBR 29991 is a high-quality air filter cartridge designed specifically for WAP GTW 10, GTW 20, GTW 30, GTW 50, and GTW 60 industrial vacuum cleaners. This essential component ensures optimal filtration, capturing fine dust and debris to maintain powerful suction and protect the motor. Manufactured by NBR, this filter provides reliable performance and extends the lifespan of your WAP industrial cleaning equipment.