Grooved concentric reducer No. 240 Material: ductile iron, red painted or hot dipped galvanized Certified according to standards: FM, UL Available options Available Options: You may also like… Choose optionGrooved tee No. 130 Choose optionGrooved adaptor flange No. 321G Choose optionFlexible grooved coupling No. 1N Choose optionGrooved elbow 90° No. 90