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The grooved fittings, grooved mechnical tee (Fig. 3G), light duty grooved mechnical tee (Fig. 3GS), threaded mechnical tee (Fig. 3J), light duty threaded mechnical tee (Fig. 3JS), U-bolt mechnical tee (Fig. 3L), from Meide Group, have been CNBOP approved.
