Connector - Reducing Flange / Thread

3-2 inches / 80 - 50mm / 3.4kg 3 - 2 1/2 inches/ 80-65mm / 3.6kg 4 - 2 inches / 100 - 50mm / 3.6kg 4 - 2 1/2 inches / 100-65mm / 3.9kg 4 - 3 inches / 100 - 80mm / 4.1kg 5 - 3 inches / 125 - 80mm / 5kg 5 - 4 inches / 125-100mm / 5.1kg 6 - 3 inches / 150 -80mm / 5.5kg 6 - 4 inches / 150-100mm / 5.6kg 6 - 5 inches / 150 - 125mm / 6.kg