The POWERTEC 30 Micron Dust Filter Bag & 4" Hose Clamp + 4" ID/OD 90° Elbow is the ultimate dust collection upgrade for your workshop. Designed for superior air filtration and efficient dust management, this set helps keep your workspace cleaner, safer, and more organized. The 30-micron filter bag effectively captures fine dust particles, reducing airborne hazards while protecting your lungs and tools. Paired with the included 4" key hose clamp, installation is quick and secure, ensuring a leak-free seal for maximum efficiency. The 4" ID/OD 90-degree elbow is engineered with a dual-diameter design, allowing seamless connections between 4” ID hoses and 4” OD ports, pipes, or fittings. Its clear, impact-resistant ABS plastic construction enables you to monitor dust flow in real-time, preventing clogs and maintaining optimal airflow. The smooth inner diameter ensures minimal air resistance, allowing your dust collector to perform at peak efficiency. The POWERTEC 30 Micron Dust Filter Bag & 4" Hose Clamp + 4" ID/OD 90° Elbow is the ultimate dust collection upgrade for your workshop. Designed for superior air filtration and efficient dust management, this set helps keep your workspace cleaner, safer, and more organized. The 30-micron filter bag effectively captures fine dust particles, reducing airborne hazards while protecting your lungs and tools. Paired with the included 4" key hose clamp, installation is quick and secure, ensuring a leak-free seal for maximum efficiency. The 4" ID/OD 90-degree elbow is engineered with a dual-diameter design, allowing seamless connections between 4” ID hoses and 4” OD ports, pipes, or fittings. Its clear, impact-resistant ABS plastic construction enables you to monitor dust flow in real-time, preventing clogs and maintaining optimal airflow. The smooth inner diameter ensures minimal air resistance, allowing your dust collector to perform at peak efficiency.